81477765

素因数分解:

$3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{19469}}^1$

素因数の和:19514

約数の個数: 32

約数和(自身を含む): 149529600

約数和(自身を除く): 68051835

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 93, 135, 155, 279, 465, 837, 1395, 4185, 19469, 58407, 97345, 175221, 292035, 525663, 603539, 876105, 1810617, 2628315, 3017695, 5431851, 9053085, 16295553, 27159255, 81477765]

約数ペア:

[(1, 81477765), (3, 27159255), (5, 16295553), (9, 9053085), (15, 5431851), (27, 3017695), (31, 2628315), (45, 1810617), (93, 876105), (135, 603539), (155, 525663), (279, 292035), (465, 175221), (837, 97345), (1395, 58407), (4185, 19469)]