71428461

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{223}}^1$

素因数の和:473

約数の個数: 32

約数和(自身を含む): 105971712

約数和(自身を除く): 34543251

約数列:

[1, 3, 13, 39, 43, 129, 191, 223, 559, 573, 669, 1677, 2483, 2899, 7449, 8213, 8697, 9589, 24639, 28767, 42593, 106769, 124657, 127779, 320307, 373971, 553709, 1661127, 1831499, 5494497, 23809487, 71428461]

約数ペア:

[(1, 71428461), (3, 23809487), (13, 5494497), (39, 1831499), (43, 1661127), (129, 553709), (191, 373971), (223, 320307), (559, 127779), (573, 124657), (669, 106769), (1677, 42593), (2483, 28767), (2899, 24639), (7449, 9589), (8213, 8697)]