165780981

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{4507}}^1$

素因数の和:4641

約数の個数: 24

約数和(自身を含む): 247074464

約数和(自身を除く): 81293483

約数列:

[1, 3, 9, 61, 67, 183, 201, 549, 603, 4087, 4507, 12261, 13521, 36783, 40563, 274927, 301969, 824781, 905907, 2474343, 2717721, 18420109, 55260327, 165780981]

約数ペア:

[(1, 165780981), (3, 55260327), (9, 18420109), (61, 2717721), (67, 2474343), (183, 905907), (201, 824781), (549, 301969), (603, 274927), (4087, 40563), (4507, 36783), (12261, 13521)]