420041721

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{669923}}^1$

素因数の和:669956

約数の個数: 16

約数和(自身を含む): 643127040

約数和(自身を除く): 223085319

約数列:

[1, 3, 11, 19, 33, 57, 209, 627, 669923, 2009769, 7369153, 12728537, 22107459, 38185611, 140013907, 420041721]

約数ペア:

[(1, 420041721), (3, 140013907), (11, 38185611), (19, 22107459), (33, 12728537), (57, 7369153), (209, 2009769), (627, 669923)]