210007915

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{227}}^1\times {\mathrm{331}}^1$

素因数の和:619

約数の個数: 32

約数和(自身を含む): 279772416

約数和(自身を除く): 69764501

約数列:

[1, 5, 13, 43, 65, 215, 227, 331, 559, 1135, 1655, 2795, 2951, 4303, 9761, 14233, 14755, 21515, 48805, 71165, 75137, 126893, 185029, 375685, 634465, 925145, 976781, 3230891, 4883905, 16154455, 42001583, 210007915]

約数ペア:

[(1, 210007915), (5, 42001583), (13, 16154455), (43, 4883905), (65, 3230891), (215, 976781), (227, 925145), (331, 634465), (559, 375685), (1135, 185029), (1655, 126893), (2795, 75137), (2951, 71165), (4303, 48805), (9761, 21515), (14233, 14755)]