981855

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{1039}}^1$

素因数の和:1060

約数の個数: 32

約数和(自身を含む): 1996800

約数和(自身を除く): 1014945

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 1039, 3117, 5195, 7273, 9351, 15585, 21819, 28053, 36365, 46755, 65457, 109095, 140265, 196371, 327285, 981855]

約数ペア:

[(1, 981855), (3, 327285), (5, 196371), (7, 140265), (9, 109095), (15, 65457), (21, 46755), (27, 36365), (35, 28053), (45, 21819), (63, 15585), (105, 9351), (135, 7273), (189, 5195), (315, 3117), (945, 1039)]