215352378

素因数分解:

$2^1\times 3^3\times {\mathrm{3988007}}^1$

素因数の和:3988018

約数の個数: 16

約数和(自身を含む): 478560960

約数和(自身を除く): 263208582

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 3988007, 7976014, 11964021, 23928042, 35892063, 71784126, 107676189, 215352378]

約数ペア:

[(1, 215352378), (2, 107676189), (3, 71784126), (6, 35892063), (9, 23928042), (18, 11964021), (27, 7976014), (54, 3988007)]