31001355

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{389}}^1$

素因数の和:441

約数の個数: 96

約数和(自身を含む): 70087680

約数和(自身を除く): 39086325

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 23, 33, 35, 45, 55, 63, 69, 77, 99, 105, 115, 161, 165, 207, 231, 253, 315, 345, 385, 389, 483, 495, 693, 759, 805, 1035, 1155, 1167, 1265, 1449, 1771, 1945, 2277, 2415, 2723, 3465, 3501, 3795, 4279, 5313, 5835, 7245, 8169, 8855, 8947, 11385, 12837, 13615, 15939, 17505, 21395, 24507, 26565, 26841, 29953, 38511, 40845, 44735, 62629, 64185, 79695, 80523, 89859, 98417, 122535, 134205, 149765, 187887, 192555, 269577, 295251, 313145, 402615, 449295, 492085, 563661, 688919, 885753, 939435, 1347885, 1476255, 2066757, 2818305, 3444595, 4428765, 6200271, 10333785, 31001355]

約数ペア:

[(1, 31001355), (3, 10333785), (5, 6200271), (7, 4428765), (9, 3444595), (11, 2818305), (15, 2066757), (21, 1476255), (23, 1347885), (33, 939435), (35, 885753), (45, 688919), (55, 563661), (63, 492085), (69, 449295), (77, 402615), (99, 313145), (105, 295251), (115, 269577), (161, 192555), (165, 187887), (207, 149765), (231, 134205), (253, 122535), (315, 98417), (345, 89859), (385, 80523), (389, 79695), (483, 64185), (495, 62629), (693, 44735), (759, 40845), (805, 38511), (1035, 29953), (1155, 26841), (1167, 26565), (1265, 24507), (1449, 21395), (1771, 17505), (1945, 15939), (2277, 13615), (2415, 12837), (2723, 11385), (3465, 8947), (3501, 8855), (3795, 8169), (4279, 7245), (5313, 5835)]