40143771

素因数分解:

$3^2\times {\mathrm{79}}^1\times {\mathrm{131}}^1\times {\mathrm{431}}^1$

素因数の和:647

約数の個数: 24

約数和(自身を含む): 59304960

約数和(自身を除く): 19161189

約数列:

[1, 3, 9, 79, 131, 237, 393, 431, 711, 1179, 1293, 3879, 10349, 31047, 34049, 56461, 93141, 102147, 169383, 306441, 508149, 4460419, 13381257, 40143771]

約数ペア:

[(1, 40143771), (3, 13381257), (9, 4460419), (79, 508149), (131, 306441), (237, 169383), (393, 102147), (431, 93141), (711, 56461), (1179, 34049), (1293, 31047), (3879, 10349)]