216325401

素因数分解:

$3^1\times {\mathrm{193}}^1\times {\mathrm{307}}^1\times {\mathrm{1217}}^1$

素因数の和:1720

約数の個数: 16

約数和(自身を含む): 291111744

約数和(自身を除く): 74786343

約数列:

[1, 3, 193, 307, 579, 921, 1217, 3651, 59251, 177753, 234881, 373619, 704643, 1120857, 72108467, 216325401]

約数ペア:

[(1, 216325401), (3, 72108467), (193, 1120857), (307, 704643), (579, 373619), (921, 234881), (1217, 177753), (3651, 59251)]