8122485

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{257}}^1$

素因数の和:322

約数の個数: 48

約数和(自身を含む): 15529536

約数和(自身を除く): 7407051

約数列:

[1, 3, 5, 7, 15, 21, 35, 43, 49, 105, 129, 147, 215, 245, 257, 301, 645, 735, 771, 903, 1285, 1505, 1799, 2107, 3855, 4515, 5397, 6321, 8995, 10535, 11051, 12593, 26985, 31605, 33153, 37779, 55255, 62965, 77357, 165765, 188895, 232071, 386785, 541499, 1160355, 1624497, 2707495, 8122485]

約数ペア:

[(1, 8122485), (3, 2707495), (5, 1624497), (7, 1160355), (15, 541499), (21, 386785), (35, 232071), (43, 188895), (49, 165765), (105, 77357), (129, 62965), (147, 55255), (215, 37779), (245, 33153), (257, 31605), (301, 26985), (645, 12593), (735, 11051), (771, 10535), (903, 8995), (1285, 6321), (1505, 5397), (1799, 4515), (2107, 3855)]