68240355

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{241}}^1\times {\mathrm{439}}^1$

素因数の和:731

約数の個数: 32

約数和(自身を含む): 112442880

約数和(自身を除く): 44202525

約数列:

[1, 3, 5, 15, 43, 129, 215, 241, 439, 645, 723, 1205, 1317, 2195, 3615, 6585, 10363, 18877, 31089, 51815, 56631, 94385, 105799, 155445, 283155, 317397, 528995, 1586985, 4549357, 13648071, 22746785, 68240355]

約数ペア:

[(1, 68240355), (3, 22746785), (5, 13648071), (15, 4549357), (43, 1586985), (129, 528995), (215, 317397), (241, 283155), (439, 155445), (645, 105799), (723, 94385), (1205, 56631), (1317, 51815), (2195, 31089), (3615, 18877), (6585, 10363)]