217935145

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{13789}}^1$

素因数の和:13932

約数の個数: 16

約数和(自身を含む): 273042000

約数和(自身を除く): 55106855

約数列:

[1, 5, 29, 109, 145, 545, 3161, 13789, 15805, 68945, 399881, 1503001, 1999405, 7515005, 43587029, 217935145]

約数ペア:

[(1, 217935145), (5, 43587029), (29, 7515005), (109, 1999405), (145, 1503001), (545, 399881), (3161, 68945), (13789, 15805)]