493311

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{139}}^1$

素因数の和:175

約数の個数: 24

約数和(自身を含む): 819840

約数和(自身を除く): 326529

約数列:

[1, 3, 7, 13, 21, 39, 91, 139, 169, 273, 417, 507, 973, 1183, 1807, 2919, 3549, 5421, 12649, 23491, 37947, 70473, 164437, 493311]

約数ペア:

[(1, 493311), (3, 164437), (7, 70473), (13, 37947), (21, 23491), (39, 12649), (91, 5421), (139, 3549), (169, 2919), (273, 1807), (417, 1183), (507, 973)]