9961945

素因数分解:

$5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{557}}^1$

素因数の和:649

約数の個数: 24

約数和(自身を含む): 14121864

約数和(自身を除く): 4159919

約数列:

[1, 5, 7, 35, 49, 73, 245, 365, 511, 557, 2555, 2785, 3577, 3899, 17885, 19495, 27293, 40661, 136465, 203305, 284627, 1423135, 1992389, 9961945]

約数ペア:

[(1, 9961945), (5, 1992389), (7, 1423135), (35, 284627), (49, 203305), (73, 136465), (245, 40661), (365, 27293), (511, 19495), (557, 17885), (2555, 3899), (2785, 3577)]