18397725

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{193}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 32331264

約数和(自身を除く): 13933539

約数列:

[1, 3, 5, 15, 25, 31, 41, 75, 93, 123, 155, 193, 205, 465, 579, 615, 775, 965, 1025, 1271, 2325, 2895, 3075, 3813, 4825, 5983, 6355, 7913, 14475, 17949, 19065, 23739, 29915, 31775, 39565, 89745, 95325, 118695, 149575, 197825, 245303, 448725, 593475, 735909, 1226515, 3679545, 6132575, 18397725]

約数ペア:

[(1, 18397725), (3, 6132575), (5, 3679545), (15, 1226515), (25, 735909), (31, 593475), (41, 448725), (75, 245303), (93, 197825), (123, 149575), (155, 118695), (193, 95325), (205, 89745), (465, 39565), (579, 31775), (615, 29915), (775, 23739), (965, 19065), (1025, 17949), (1271, 14475), (2325, 7913), (2895, 6355), (3075, 5983), (3813, 4825)]