81163641

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{193}}^1\times {\mathrm{263}}^1$

素因数の和:513

約数の個数: 32

約数和(自身を含む): 120460032

約数和(自身を除く): 39296391

約数列:

[1, 3, 13, 39, 41, 123, 193, 263, 533, 579, 789, 1599, 2509, 3419, 7527, 7913, 10257, 10783, 23739, 32349, 50759, 102869, 140179, 152277, 308607, 420537, 659867, 1979601, 2081119, 6243357, 27054547, 81163641]

約数ペア:

[(1, 81163641), (3, 27054547), (13, 6243357), (39, 2081119), (41, 1979601), (123, 659867), (193, 420537), (263, 308607), (533, 152277), (579, 140179), (789, 102869), (1599, 50759), (2509, 32349), (3419, 23739), (7527, 10783), (7913, 10257)]