39961995

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{239}}^1$

素因数の和:475

約数の個数: 32

約数和(自身を含む): 65525760

約数和(自身を除く): 25563765

約数列:

[1, 3, 5, 15, 71, 157, 213, 239, 355, 471, 717, 785, 1065, 1195, 2355, 3585, 11147, 16969, 33441, 37523, 50907, 55735, 84845, 112569, 167205, 187615, 254535, 562845, 2664133, 7992399, 13320665, 39961995]

約数ペア:

[(1, 39961995), (3, 13320665), (5, 7992399), (15, 2664133), (71, 562845), (157, 254535), (213, 187615), (239, 167205), (355, 112569), (471, 84845), (717, 55735), (785, 50907), (1065, 37523), (1195, 33441), (2355, 16969), (3585, 11147)]