39897417

素因数分解:

$3^1\times 7^4\times {\mathrm{29}}^1\times {\mathrm{191}}^1$

素因数の和:251

約数の個数: 40

約数和(自身を含む): 64535040

約数和(自身を除く): 24637623

約数列:

[1, 3, 7, 21, 29, 49, 87, 147, 191, 203, 343, 573, 609, 1029, 1337, 1421, 2401, 4011, 4263, 5539, 7203, 9359, 9947, 16617, 28077, 29841, 38773, 65513, 69629, 116319, 196539, 208887, 271411, 458591, 814233, 1375773, 1899877, 5699631, 13299139, 39897417]

約数ペア:

[(1, 39897417), (3, 13299139), (7, 5699631), (21, 1899877), (29, 1375773), (49, 814233), (87, 458591), (147, 271411), (191, 208887), (203, 196539), (343, 116319), (573, 69629), (609, 65513), (1029, 38773), (1337, 29841), (1421, 28077), (2401, 16617), (4011, 9947), (4263, 9359), (5539, 7203)]