13399503

素因数分解:

$3^1\times {\mathrm{13}}^3\times {\mathrm{19}}^1\times {\mathrm{107}}^1$

素因数の和:168

約数の個数: 32

約数和(自身を含む): 20563200

約数和(自身を除く): 7163697

約数列:

[1, 3, 13, 19, 39, 57, 107, 169, 247, 321, 507, 741, 1391, 2033, 2197, 3211, 4173, 6099, 6591, 9633, 18083, 26429, 41743, 54249, 79287, 125229, 235079, 343577, 705237, 1030731, 4466501, 13399503]

約数ペア:

[(1, 13399503), (3, 4466501), (13, 1030731), (19, 705237), (39, 343577), (57, 235079), (107, 125229), (169, 79287), (247, 54249), (321, 41743), (507, 26429), (741, 18083), (1391, 9633), (2033, 6591), (2197, 6099), (3211, 4173)]