1640417793

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{58601}}^1$

素因数の和:58685

約数の個数: 32

約数和(自身を含む): 2640371712

約数和(自身を除く): 999953919

約数列:

[1, 3, 7, 21, 31, 43, 93, 129, 217, 301, 651, 903, 1333, 3999, 9331, 27993, 58601, 175803, 410207, 1230621, 1816631, 2519843, 5449893, 7559529, 12716417, 17638901, 38149251, 52916703, 78115133, 234345399, 546805931, 1640417793]

約数ペア:

[(1, 1640417793), (3, 546805931), (7, 234345399), (21, 78115133), (31, 52916703), (43, 38149251), (93, 17638901), (129, 12716417), (217, 7559529), (301, 5449893), (651, 2519843), (903, 1816631), (1333, 1230621), (3999, 410207), (9331, 175803), (27993, 58601)]