397969

素因数分解:

${\mathrm{11}}^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1$

素因数の和:69

約数の個数: 16

約数和(自身を含む): 491904

約数和(自身を除く): 93935

約数列:

[1, 11, 13, 23, 121, 143, 253, 299, 1331, 1573, 2783, 3289, 17303, 30613, 36179, 397969]

約数ペア:

[(1, 397969), (11, 36179), (13, 30613), (23, 17303), (121, 3289), (143, 2783), (253, 1573), (299, 1331)]