156555

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{71}}^1$

素因数の和:96

約数の個数: 36

約数和(自身を含む): 320112

約数和(自身を除く): 163557

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 71, 105, 147, 213, 245, 315, 355, 441, 497, 639, 735, 1065, 1491, 2205, 2485, 3195, 3479, 4473, 7455, 10437, 17395, 22365, 31311, 52185, 156555]

約数ペア:

[(1, 156555), (3, 52185), (5, 31311), (7, 22365), (9, 17395), (15, 10437), (21, 7455), (35, 4473), (45, 3479), (49, 3195), (63, 2485), (71, 2205), (105, 1491), (147, 1065), (213, 735), (245, 639), (315, 497), (355, 441)]