126780405

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1\times {\mathrm{977}}^1$

素因数の和:1237

約数の個数: 32

約数和(自身を含む): 208994688

約数和(自身を除く): 82214283

約数列:

[1, 3, 5, 15, 41, 123, 205, 211, 615, 633, 977, 1055, 2931, 3165, 4885, 8651, 14655, 25953, 40057, 43255, 120171, 129765, 200285, 206147, 600855, 618441, 1030735, 3092205, 8452027, 25356081, 42260135, 126780405]

約数ペア:

[(1, 126780405), (3, 42260135), (5, 25356081), (15, 8452027), (41, 3092205), (123, 1030735), (205, 618441), (211, 600855), (615, 206147), (633, 200285), (977, 129765), (1055, 120171), (2931, 43255), (3165, 40057), (4885, 25953), (8651, 14655)]