81943455

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{349}}^1\times {\mathrm{1423}}^1$

素因数の和:1791

約数の個数: 32

約数和(自身を含む): 143539200

約数和(自身を除く): 61595745

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 349, 1047, 1423, 1745, 3839, 4269, 5235, 7115, 11517, 15653, 19195, 21345, 46959, 57585, 78265, 234795, 496627, 1489881, 2483135, 5462897, 7449405, 16388691, 27314485, 81943455]

約数ペア:

[(1, 81943455), (3, 27314485), (5, 16388691), (11, 7449405), (15, 5462897), (33, 2483135), (55, 1489881), (165, 496627), (349, 234795), (1047, 78265), (1423, 57585), (1745, 46959), (3839, 21345), (4269, 19195), (5235, 15653), (7115, 11517)]