51521955

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{43}}^1\times {\mathrm{151}}^1$

素因数の和:248

約数の個数: 48

約数和(自身を含む): 88763136

約数和(自身を除く): 37241181

約数列:

[1, 3, 5, 15, 23, 43, 69, 115, 129, 151, 215, 345, 453, 529, 645, 755, 989, 1587, 2265, 2645, 2967, 3473, 4945, 6493, 7935, 10419, 14835, 17365, 19479, 22747, 32465, 52095, 68241, 79879, 97395, 113735, 149339, 239637, 341205, 399395, 448017, 746695, 1198185, 2240085, 3434797, 10304391, 17173985, 51521955]

約数ペア:

[(1, 51521955), (3, 17173985), (5, 10304391), (15, 3434797), (23, 2240085), (43, 1198185), (69, 746695), (115, 448017), (129, 399395), (151, 341205), (215, 239637), (345, 149339), (453, 113735), (529, 97395), (645, 79879), (755, 68241), (989, 52095), (1587, 32465), (2265, 22747), (2645, 19479), (2967, 17365), (3473, 14835), (4945, 10419), (6493, 7935)]