16208505

素因数分解:

$3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1291}}^1$

素因数の和:1339

約数の個数: 40

約数和(自身を含む): 30015744

約数和(自身を除く): 13807239

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 81, 93, 135, 155, 279, 405, 465, 837, 1291, 1395, 2511, 3873, 4185, 6455, 11619, 12555, 19365, 34857, 40021, 58095, 104571, 120063, 174285, 200105, 360189, 522855, 600315, 1080567, 1800945, 3241701, 5402835, 16208505]

約数ペア:

[(1, 16208505), (3, 5402835), (5, 3241701), (9, 1800945), (15, 1080567), (27, 600315), (31, 522855), (45, 360189), (81, 200105), (93, 174285), (135, 120063), (155, 104571), (279, 58095), (405, 40021), (465, 34857), (837, 19365), (1291, 12555), (1395, 11619), (2511, 6455), (3873, 4185)]