77939865

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{857}}^1$

素因数の和:958

約数の個数: 48

約数和(自身を含む): 141343488

約数和(自身を除く): 63403623

約数列:

[1, 3, 5, 9, 15, 43, 45, 47, 129, 141, 215, 235, 387, 423, 645, 705, 857, 1935, 2021, 2115, 2571, 4285, 6063, 7713, 10105, 12855, 18189, 30315, 36851, 38565, 40279, 90945, 110553, 120837, 184255, 201395, 331659, 362511, 552765, 604185, 1658295, 1731997, 1812555, 5195991, 8659985, 15587973, 25979955, 77939865]

約数ペア:

[(1, 77939865), (3, 25979955), (5, 15587973), (9, 8659985), (15, 5195991), (43, 1812555), (45, 1731997), (47, 1658295), (129, 604185), (141, 552765), (215, 362511), (235, 331659), (387, 201395), (423, 184255), (645, 120837), (705, 110553), (857, 90945), (1935, 40279), (2021, 38565), (2115, 36851), (2571, 30315), (4285, 18189), (6063, 12855), (7713, 10105)]