77617521

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{30911}}^1$

素因数の和:30954

約数の個数: 20

約数和(自身を含む): 119691264

約数和(自身を除く): 42073743

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 30911, 92733, 278199, 834597, 958241, 2503791, 2874723, 8624169, 25872507, 77617521]

約数ペア:

[(1, 77617521), (3, 25872507), (9, 8624169), (27, 2874723), (31, 2503791), (81, 958241), (93, 834597), (279, 278199), (837, 92733), (2511, 30911)]