77865585

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{12157}}^1$

素因数の和:12233

約数の個数: 32

約数和(自身を含む): 144728832

約数和(自身を除く): 66863247

約数列:

[1, 3, 5, 7, 15, 21, 35, 61, 105, 183, 305, 427, 915, 1281, 2135, 6405, 12157, 36471, 60785, 85099, 182355, 255297, 425495, 741577, 1276485, 2224731, 3707885, 5191039, 11123655, 15573117, 25955195, 77865585]

約数ペア:

[(1, 77865585), (3, 25955195), (5, 15573117), (7, 11123655), (15, 5191039), (21, 3707885), (35, 2224731), (61, 1276485), (105, 741577), (183, 425495), (305, 255297), (427, 182355), (915, 85099), (1281, 60785), (2135, 36471), (6405, 12157)]