420215397

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{328037}}^1$

素因数の和:328108

約数の個数: 16

約数和(自身を含む): 650827392

約数和(自身を除く): 230611995

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 328037, 984111, 2296259, 6888777, 20010257, 60030771, 140071799, 420215397]

約数ペア:

[(1, 420215397), (3, 140071799), (7, 60030771), (21, 20010257), (61, 6888777), (183, 2296259), (427, 984111), (1281, 328037)]