8616915

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:145

約数の個数: 64

約数和(自身を含む): 16588800

約数和(自身を除く): 7971885

約数列:

[1, 3, 5, 9, 15, 27, 29, 31, 45, 71, 87, 93, 135, 145, 155, 213, 261, 279, 355, 435, 465, 639, 783, 837, 899, 1065, 1305, 1395, 1917, 2059, 2201, 2697, 3195, 3915, 4185, 4495, 6177, 6603, 8091, 9585, 10295, 11005, 13485, 18531, 19809, 24273, 30885, 33015, 40455, 55593, 59427, 63829, 92655, 99045, 121365, 191487, 277965, 297135, 319145, 574461, 957435, 1723383, 2872305, 8616915]

約数ペア:

[(1, 8616915), (3, 2872305), (5, 1723383), (9, 957435), (15, 574461), (27, 319145), (29, 297135), (31, 277965), (45, 191487), (71, 121365), (87, 99045), (93, 92655), (135, 63829), (145, 59427), (155, 55593), (213, 40455), (261, 33015), (279, 30885), (355, 24273), (435, 19809), (465, 18531), (639, 13485), (783, 11005), (837, 10295), (899, 9585), (1065, 8091), (1305, 6603), (1395, 6177), (1917, 4495), (2059, 4185), (2201, 3915), (2697, 3195)]