218466717

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{74843}}^1$

素因数の和:74992

約数の個数: 16

約数和(自身を含む): 335301120

約数和(自身を除く): 116834403

約数列:

[1, 3, 7, 21, 139, 417, 973, 2919, 74843, 224529, 523901, 1571703, 10403177, 31209531, 72822239, 218466717]

約数ペア:

[(1, 218466717), (3, 72822239), (7, 31209531), (21, 10403177), (139, 1571703), (417, 523901), (973, 224529), (2919, 74843)]