126901815

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{1087}}^1$

素因数の和:1319

約数の個数: 32

約数和(自身を含む): 209104896

約数和(自身を除く): 82203081

約数列:

[1, 3, 5, 15, 43, 129, 181, 215, 543, 645, 905, 1087, 2715, 3261, 5435, 7783, 16305, 23349, 38915, 46741, 116745, 140223, 196747, 233705, 590241, 701115, 983735, 2951205, 8460121, 25380363, 42300605, 126901815]

約数ペア:

[(1, 126901815), (3, 42300605), (5, 25380363), (15, 8460121), (43, 2951205), (129, 983735), (181, 701115), (215, 590241), (543, 233705), (645, 196747), (905, 140223), (1087, 116745), (2715, 46741), (3261, 38915), (5435, 23349), (7783, 16305)]