221353599

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{349}}^1\times {\mathrm{3989}}^1$

素因数の和:4394

約数の個数: 16

約数和(自身を含む): 301644000

約数和(自身を除く): 80290401

約数列:

[1, 3, 53, 159, 349, 1047, 3989, 11967, 18497, 55491, 211417, 634251, 1392161, 4176483, 73784533, 221353599]

約数ペア:

[(1, 221353599), (3, 73784533), (53, 4176483), (159, 1392161), (349, 634251), (1047, 211417), (3989, 55491), (11967, 18497)]