281431107

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{1237}}^1\times {\mathrm{1487}}^1$

素因数の和:2747

約数の個数: 24

約数和(自身を含む): 431061696

約数和(自身を除く): 149630589

約数列:

[1, 3, 9, 17, 51, 153, 1237, 1487, 3711, 4461, 11133, 13383, 21029, 25279, 63087, 75837, 189261, 227511, 1839419, 5518257, 16554771, 31270123, 93810369, 281431107]

約数ペア:

[(1, 281431107), (3, 93810369), (9, 31270123), (17, 16554771), (51, 5518257), (153, 1839419), (1237, 227511), (1487, 189261), (3711, 75837), (4461, 63087), (11133, 25279), (13383, 21029)]