16404999

素因数分解:

$3^1\times {\mathrm{13}}^3\times {\mathrm{19}}^1\times {\mathrm{131}}^1$

素因数の和:192

約数の個数: 32

約数和(自身を含む): 25132800

約数和(自身を除く): 8727801

約数列:

[1, 3, 13, 19, 39, 57, 131, 169, 247, 393, 507, 741, 1703, 2197, 2489, 3211, 5109, 6591, 7467, 9633, 22139, 32357, 41743, 66417, 97071, 125229, 287807, 420641, 863421, 1261923, 5468333, 16404999]

約数ペア:

[(1, 16404999), (3, 5468333), (13, 1261923), (19, 863421), (39, 420641), (57, 287807), (131, 125229), (169, 97071), (247, 66417), (393, 41743), (507, 32357), (741, 22139), (1703, 9633), (2197, 7467), (2489, 6591), (3211, 5109)]