28374255

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^3\times {\mathrm{41}}^1$

素因数の和:98

約数の個数: 96

約数和(自身を含む): 62375040

約数和(自身を除く): 34000785

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 35, 39, 41, 45, 63, 65, 91, 105, 117, 123, 169, 195, 205, 273, 287, 315, 369, 455, 507, 533, 585, 615, 819, 845, 861, 1183, 1365, 1435, 1521, 1599, 1845, 2197, 2535, 2583, 2665, 3549, 3731, 4095, 4305, 4797, 5915, 6591, 6929, 7605, 7995, 10647, 10985, 11193, 12915, 15379, 17745, 18655, 19773, 20787, 23985, 32955, 33579, 34645, 46137, 48503, 53235, 55965, 62361, 76895, 90077, 98865, 103935, 138411, 145509, 167895, 230685, 242515, 270231, 311805, 436527, 450385, 630539, 692055, 727545, 810693, 1351155, 1891617, 2182635, 3152695, 4053465, 5674851, 9458085, 28374255]

約数ペア:

[(1, 28374255), (3, 9458085), (5, 5674851), (7, 4053465), (9, 3152695), (13, 2182635), (15, 1891617), (21, 1351155), (35, 810693), (39, 727545), (41, 692055), (45, 630539), (63, 450385), (65, 436527), (91, 311805), (105, 270231), (117, 242515), (123, 230685), (169, 167895), (195, 145509), (205, 138411), (273, 103935), (287, 98865), (315, 90077), (369, 76895), (455, 62361), (507, 55965), (533, 53235), (585, 48503), (615, 46137), (819, 34645), (845, 33579), (861, 32955), (1183, 23985), (1365, 20787), (1435, 19773), (1521, 18655), (1599, 17745), (1845, 15379), (2197, 12915), (2535, 11193), (2583, 10985), (2665, 10647), (3549, 7995), (3731, 7605), (4095, 6929), (4305, 6591), (4797, 5915)]