1172220021

素因数分解:

$3^2\times 7^1\times {\mathrm{3557}}^1\times {\mathrm{5231}}^1$

素因数の和:8801

約数の個数: 24

約数和(自身を含む): 1936007424

約数和(自身を除く): 763787403

約数列:

[1, 3, 7, 9, 21, 63, 3557, 5231, 10671, 15693, 24899, 32013, 36617, 47079, 74697, 109851, 224091, 329553, 18606667, 55820001, 130246669, 167460003, 390740007, 1172220021]

約数ペア:

[(1, 1172220021), (3, 390740007), (7, 167460003), (9, 130246669), (21, 55820001), (63, 18606667), (3557, 329553), (5231, 224091), (10671, 109851), (15693, 74697), (24899, 47079), (32013, 36617)]