64840251

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{967}}^1$

素因数の和:1111

約数の個数: 32

約数和(自身を含む): 103088128

約数和(自身を除く): 38247877

約数列:

[1, 3, 7, 21, 31, 93, 103, 217, 309, 651, 721, 967, 2163, 2901, 3193, 6769, 9579, 20307, 22351, 29977, 67053, 89931, 99601, 209839, 298803, 629517, 697207, 2091621, 3087631, 9262893, 21613417, 64840251]

約数ペア:

[(1, 64840251), (3, 21613417), (7, 9262893), (21, 3087631), (31, 2091621), (93, 697207), (103, 629517), (217, 298803), (309, 209839), (651, 99601), (721, 89931), (967, 67053), (2163, 29977), (2901, 22351), (3193, 20307), (6769, 9579)]