7870161

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{19}}^2\times {\mathrm{43}}^1$

素因数の和:110

約数の個数: 36

約数和(自身を含む): 12271248

約数和(自身を除く): 4401087

約数列:

[1, 3, 13, 19, 39, 43, 57, 129, 169, 247, 361, 507, 559, 741, 817, 1083, 1677, 2451, 3211, 4693, 7267, 9633, 10621, 14079, 15523, 21801, 31863, 46569, 61009, 138073, 183027, 201799, 414219, 605397, 2623387, 7870161]

約数ペア:

[(1, 7870161), (3, 2623387), (13, 605397), (19, 414219), (39, 201799), (43, 183027), (57, 138073), (129, 61009), (169, 46569), (247, 31863), (361, 21801), (507, 15523), (559, 14079), (741, 10621), (817, 9633), (1083, 7267), (1677, 4693), (2451, 3211)]