12190905

素因数分解:

$3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{971}}^1$

素因数の和:1019

約数の個数: 40

約数和(自身を含む): 22581504

約数和(自身を除く): 10390599

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 81, 93, 135, 155, 279, 405, 465, 837, 971, 1395, 2511, 2913, 4185, 4855, 8739, 12555, 14565, 26217, 30101, 43695, 78651, 90303, 131085, 150505, 270909, 393255, 451515, 812727, 1354545, 2438181, 4063635, 12190905]

約数ペア:

[(1, 12190905), (3, 4063635), (5, 2438181), (9, 1354545), (15, 812727), (27, 451515), (31, 393255), (45, 270909), (81, 150505), (93, 131085), (135, 90303), (155, 78651), (279, 43695), (405, 30101), (465, 26217), (837, 14565), (971, 12555), (1395, 8739), (2511, 4855), (2913, 4185)]