49400757

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{331}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 86181888

約数和(自身を除く): 36781131

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 103, 161, 207, 309, 331, 483, 721, 927, 993, 1449, 2163, 2317, 2369, 2979, 6489, 6951, 7107, 7613, 16583, 20853, 21321, 22839, 34093, 49749, 53291, 68517, 102279, 149247, 159873, 238651, 306837, 479619, 715953, 784139, 2147859, 2352417, 5488973, 7057251, 16466919, 49400757]

約数ペア:

[(1, 49400757), (3, 16466919), (7, 7057251), (9, 5488973), (21, 2352417), (23, 2147859), (63, 784139), (69, 715953), (103, 479619), (161, 306837), (207, 238651), (309, 159873), (331, 149247), (483, 102279), (721, 68517), (927, 53291), (993, 49749), (1449, 34093), (2163, 22839), (2317, 21321), (2369, 20853), (2979, 16583), (6489, 7613), (6951, 7107)]