81931245

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29209}}^1$

素因数の和:29245

約数の個数: 32

約数和(自身を含む): 151424640

約数和(自身を除く): 69493395

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 85, 165, 187, 255, 561, 935, 2805, 29209, 87627, 146045, 321299, 438135, 496553, 963897, 1489659, 1606495, 2482765, 4819485, 5462083, 7448295, 16386249, 27310415, 81931245]

約数ペア:

[(1, 81931245), (3, 27310415), (5, 16386249), (11, 7448295), (15, 5462083), (17, 4819485), (33, 2482765), (51, 1606495), (55, 1489659), (85, 963897), (165, 496553), (187, 438135), (255, 321299), (561, 146045), (935, 87627), (2805, 29209)]