218265039

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{515993}}^1$

素因数の和:516046

約数の個数: 12

約数和(自身を含む): 321980256

約数和(自身を除く): 103715217

約数列:

[1, 3, 9, 47, 141, 423, 515993, 1547979, 4643937, 24251671, 72755013, 218265039]

約数ペア:

[(1, 218265039), (3, 72755013), (9, 24251671), (47, 4643937), (141, 1547979), (423, 515993)]