31861215

素因数分解:

$3^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:201

約数の個数: 64

約数和(自身を含む): 59460480

約数和(自身を除く): 27599265

約数列:

[1, 3, 5, 9, 15, 27, 45, 53, 61, 73, 135, 159, 183, 219, 265, 305, 365, 477, 549, 657, 795, 915, 1095, 1431, 1647, 1971, 2385, 2745, 3233, 3285, 3869, 4453, 7155, 8235, 9699, 9855, 11607, 13359, 16165, 19345, 22265, 29097, 34821, 40077, 48495, 58035, 66795, 87291, 104463, 120231, 145485, 174105, 200385, 236009, 436455, 522315, 601155, 708027, 1180045, 2124081, 3540135, 6372243, 10620405, 31861215]

約数ペア:

[(1, 31861215), (3, 10620405), (5, 6372243), (9, 3540135), (15, 2124081), (27, 1180045), (45, 708027), (53, 601155), (61, 522315), (73, 436455), (135, 236009), (159, 200385), (183, 174105), (219, 145485), (265, 120231), (305, 104463), (365, 87291), (477, 66795), (549, 58035), (657, 48495), (795, 40077), (915, 34821), (1095, 29097), (1431, 22265), (1647, 19345), (1971, 16165), (2385, 13359), (2745, 11607), (3233, 9855), (3285, 9699), (3869, 8235), (4453, 7155)]