657380043

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{257}}^1\times {\mathrm{1373}}^1$

素因数の和:1665

約数の個数: 40

約数和(自身を含む): 1029444768

約数和(自身を除く): 372064725

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 257, 621, 771, 1373, 1863, 2313, 4119, 5911, 6939, 12357, 17733, 20817, 31579, 37071, 53199, 94737, 111213, 159597, 284211, 352861, 478791, 852633, 1058583, 2557899, 3175749, 8115803, 9527247, 24347409, 28581741, 73042227, 219126681, 657380043]

約数ペア:

[(1, 657380043), (3, 219126681), (9, 73042227), (23, 28581741), (27, 24347409), (69, 9527247), (81, 8115803), (207, 3175749), (257, 2557899), (621, 1058583), (771, 852633), (1373, 478791), (1863, 352861), (2313, 284211), (4119, 159597), (5911, 111213), (6939, 94737), (12357, 53199), (17733, 37071), (20817, 31579)]