67920225

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{223}}^1$

素因数の和:398

約数の個数: 48

約数和(自身を含む): 117325824

約数和(自身を除く): 49405599

約数列:

[1, 3, 5, 15, 25, 31, 75, 93, 131, 155, 223, 393, 465, 655, 669, 775, 1115, 1965, 2325, 3275, 3345, 4061, 5575, 6913, 9825, 12183, 16725, 20305, 20739, 29213, 34565, 60915, 87639, 101525, 103695, 146065, 172825, 304575, 438195, 518475, 730325, 905603, 2190975, 2716809, 4528015, 13584045, 22640075, 67920225]

約数ペア:

[(1, 67920225), (3, 22640075), (5, 13584045), (15, 4528015), (25, 2716809), (31, 2190975), (75, 905603), (93, 730325), (131, 518475), (155, 438195), (223, 304575), (393, 172825), (465, 146065), (655, 103695), (669, 101525), (775, 87639), (1115, 60915), (1965, 34565), (2325, 29213), (3275, 20739), (3345, 20305), (4061, 16725), (5575, 12183), (6913, 9825)]