31868865

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{149}}^1$

素因数の和:271

約数の個数: 72

約数和(自身を含む): 65356200

約数和(自身を除く): 33487335

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 97, 105, 147, 149, 245, 291, 315, 441, 447, 485, 679, 735, 745, 873, 1043, 1341, 1455, 2037, 2205, 2235, 3129, 3395, 4365, 4753, 5215, 6111, 6705, 7301, 9387, 10185, 14259, 14453, 15645, 21903, 23765, 30555, 36505, 42777, 43359, 46935, 65709, 71295, 72265, 101171, 109515, 130077, 213885, 216795, 303513, 328545, 505855, 650385, 708197, 910539, 1517565, 2124591, 3540985, 4552695, 6373773, 10622955, 31868865]

約数ペア:

[(1, 31868865), (3, 10622955), (5, 6373773), (7, 4552695), (9, 3540985), (15, 2124591), (21, 1517565), (35, 910539), (45, 708197), (49, 650385), (63, 505855), (97, 328545), (105, 303513), (147, 216795), (149, 213885), (245, 130077), (291, 109515), (315, 101171), (441, 72265), (447, 71295), (485, 65709), (679, 46935), (735, 43359), (745, 42777), (873, 36505), (1043, 30555), (1341, 23765), (1455, 21903), (2037, 15645), (2205, 14453), (2235, 14259), (3129, 10185), (3395, 9387), (4365, 7301), (4753, 6705), (5215, 6111)]