220116729

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{551671}}^1$

素因数の和:551700

約数の個数: 16

約数和(自身を含む): 353070080

約数和(自身を除く): 132953351

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 551671, 1655013, 3861697, 10481749, 11585091, 31445247, 73372243, 220116729]

約数ペア:

[(1, 220116729), (3, 73372243), (7, 31445247), (19, 11585091), (21, 10481749), (57, 3861697), (133, 1655013), (399, 551671)]