75990915

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1$

素因数の和:290

約数の個数: 144

約数和(自身を含む): 180756576

約数和(自身を除く): 104765661

約数列:

[1, 3, 5, 7, 9, 11, 13, 15, 21, 33, 35, 39, 45, 49, 55, 63, 65, 77, 91, 99, 105, 117, 143, 147, 165, 195, 231, 241, 245, 273, 315, 385, 429, 441, 455, 495, 539, 585, 637, 693, 715, 723, 735, 819, 1001, 1155, 1205, 1287, 1365, 1617, 1687, 1911, 2145, 2169, 2205, 2651, 2695, 3003, 3133, 3185, 3465, 3615, 4095, 4851, 5005, 5061, 5733, 6435, 7007, 7953, 8085, 8435, 9009, 9399, 9555, 10845, 11809, 13255, 15015, 15183, 15665, 18557, 21021, 21931, 23859, 24255, 25305, 28197, 28665, 34463, 35035, 35427, 39765, 45045, 46995, 55671, 59045, 63063, 65793, 75915, 92785, 103389, 105105, 106281, 109655, 119295, 129899, 140985, 153517, 167013, 172315, 177135, 197379, 241241, 278355, 310167, 315315, 328965, 389697, 460551, 516945, 531405, 649495, 723723, 767585, 835065, 986895, 1169091, 1206205, 1381653, 1550835, 1688687, 1948485, 2171169, 2302755, 3618615, 5066061, 5845455, 6908265, 8443435, 10855845, 15198183, 25330305, 75990915]

約数ペア:

[(1, 75990915), (3, 25330305), (5, 15198183), (7, 10855845), (9, 8443435), (11, 6908265), (13, 5845455), (15, 5066061), (21, 3618615), (33, 2302755), (35, 2171169), (39, 1948485), (45, 1688687), (49, 1550835), (55, 1381653), (63, 1206205), (65, 1169091), (77, 986895), (91, 835065), (99, 767585), (105, 723723), (117, 649495), (143, 531405), (147, 516945), (165, 460551), (195, 389697), (231, 328965), (241, 315315), (245, 310167), (273, 278355), (315, 241241), (385, 197379), (429, 177135), (441, 172315), (455, 167013), (495, 153517), (539, 140985), (585, 129899), (637, 119295), (693, 109655), (715, 106281), (723, 105105), (735, 103389), (819, 92785), (1001, 75915), (1155, 65793), (1205, 63063), (1287, 59045), (1365, 55671), (1617, 46995), (1687, 45045), (1911, 39765), (2145, 35427), (2169, 35035), (2205, 34463), (2651, 28665), (2695, 28197), (3003, 25305), (3133, 24255), (3185, 23859), (3465, 21931), (3615, 21021), (4095, 18557), (4851, 15665), (5005, 15183), (5061, 15015), (5733, 13255), (6435, 11809), (7007, 10845), (7953, 9555), (8085, 9399), (8435, 9009)]