71263485

素因数分解:

$3^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{3989}}^1$

素因数の和:4397

約数の個数: 24

約数和(自身を含む): 123865560

約数和(自身を除く): 52602075

約数列:

[1, 3, 5, 9, 15, 45, 397, 1191, 1985, 3573, 3989, 5955, 11967, 17865, 19945, 35901, 59835, 179505, 1583633, 4750899, 7918165, 14252697, 23754495, 71263485]

約数ペア:

[(1, 71263485), (3, 23754495), (5, 14252697), (9, 7918165), (15, 4750899), (45, 1583633), (397, 179505), (1191, 59835), (1985, 35901), (3573, 19945), (3989, 17865), (5955, 11967)]