81128235

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{1151}}^1$

素因数の和:1323

約数の個数: 32

約数和(自身を含む): 134479872

約数和(自身を除く): 53351637

約数列:

[1, 3, 5, 15, 37, 111, 127, 185, 381, 555, 635, 1151, 1905, 3453, 4699, 5755, 14097, 17265, 23495, 42587, 70485, 127761, 146177, 212935, 438531, 638805, 730885, 2192655, 5408549, 16225647, 27042745, 81128235]

約数ペア:

[(1, 81128235), (3, 27042745), (5, 16225647), (15, 5408549), (37, 2192655), (111, 730885), (127, 638805), (185, 438531), (381, 212935), (555, 146177), (635, 127761), (1151, 70485), (1905, 42587), (3453, 23495), (4699, 17265), (5755, 14097)]