386841

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{109}}^1$

素因数の和:145

約数の個数: 24

約数和(自身を含む): 644160

約数和(自身を除く): 257319

約数列:

[1, 3, 7, 13, 21, 39, 91, 109, 169, 273, 327, 507, 763, 1183, 1417, 2289, 3549, 4251, 9919, 18421, 29757, 55263, 128947, 386841]

約数ペア:

[(1, 386841), (3, 128947), (7, 55263), (13, 29757), (21, 18421), (39, 9919), (91, 4251), (109, 3549), (169, 2289), (273, 1417), (327, 1183), (507, 763)]