188372289

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{472111}}^1$

素因数の和:472140

約数の個数: 16

約数和(自身を含む): 302151680

約数和(自身を除く): 113779391

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 472111, 1416333, 3304777, 8970109, 9914331, 26910327, 62790763, 188372289]

約数ペア:

[(1, 188372289), (3, 62790763), (7, 26910327), (19, 9914331), (21, 8970109), (57, 3304777), (133, 1416333), (399, 472111)]