15727465

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{331}}^1$

素因数の和:409

約数の個数: 32

約数和(自身を含む): 22087296

約数和(自身を除く): 6359831

約数列:

[1, 5, 13, 17, 43, 65, 85, 215, 221, 331, 559, 731, 1105, 1655, 2795, 3655, 4303, 5627, 9503, 14233, 21515, 28135, 47515, 71165, 73151, 185029, 241961, 365755, 925145, 1209805, 3145493, 15727465]

約数ペア:

[(1, 15727465), (5, 3145493), (13, 1209805), (17, 925145), (43, 365755), (65, 241961), (85, 185029), (215, 73151), (221, 71165), (331, 47515), (559, 28135), (731, 21515), (1105, 14233), (1655, 9503), (2795, 5627), (3655, 4303)]