64581657

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{601}}^1$

素因数の和:678

約数の個数: 48

約数和(自身を含む): 108706752

約数和(自身を除く): 44125095

約数列:

[1, 3, 7, 17, 21, 43, 49, 51, 119, 129, 147, 301, 357, 601, 731, 833, 903, 1803, 2107, 2193, 2499, 4207, 5117, 6321, 10217, 12621, 15351, 25843, 29449, 30651, 35819, 71519, 77529, 88347, 107457, 180901, 214557, 439331, 500633, 542703, 1266307, 1317993, 1501899, 3075317, 3798921, 9225951, 21527219, 64581657]

約数ペア:

[(1, 64581657), (3, 21527219), (7, 9225951), (17, 3798921), (21, 3075317), (43, 1501899), (49, 1317993), (51, 1266307), (119, 542703), (129, 500633), (147, 439331), (301, 214557), (357, 180901), (601, 107457), (731, 88347), (833, 77529), (903, 71519), (1803, 35819), (2107, 30651), (2193, 29449), (2499, 25843), (4207, 15351), (5117, 12621), (6321, 10217)]