64278765

素因数分解:

$3^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3691}}^1$

素因数の和:3751

約数の個数: 40

約数和(自身を含む): 117937248

約数和(自身を除く): 53658483

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 81, 129, 135, 215, 387, 405, 645, 1161, 1935, 3483, 3691, 5805, 11073, 17415, 18455, 33219, 55365, 99657, 158713, 166095, 298971, 476139, 498285, 793565, 1428417, 1494855, 2380695, 4285251, 7142085, 12855753, 21426255, 64278765]

約数ペア:

[(1, 64278765), (3, 21426255), (5, 12855753), (9, 7142085), (15, 4285251), (27, 2380695), (43, 1494855), (45, 1428417), (81, 793565), (129, 498285), (135, 476139), (215, 298971), (387, 166095), (405, 158713), (645, 99657), (1161, 55365), (1935, 33219), (3483, 18455), (3691, 17415), (5805, 11073)]