81648615

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{1229}}^1$

素因数の和:1383

約数の個数: 32

約数和(自身を含む): 135083520

約数和(自身を除く): 53434905

約数列:

[1, 3, 5, 15, 43, 103, 129, 215, 309, 515, 645, 1229, 1545, 3687, 4429, 6145, 13287, 18435, 22145, 52847, 66435, 126587, 158541, 264235, 379761, 632935, 792705, 1898805, 5443241, 16329723, 27216205, 81648615]

約数ペア:

[(1, 81648615), (3, 27216205), (5, 16329723), (15, 5443241), (43, 1898805), (103, 792705), (129, 632935), (215, 379761), (309, 264235), (515, 158541), (645, 126587), (1229, 66435), (1545, 52847), (3687, 22145), (4429, 18435), (6145, 13287)]