220236429

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{78853}}^1$

素因数の和:78889

約数の個数: 24

約数和(自身を含む): 359574240

約数和(自身を除く): 139337811

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 78853, 236559, 551971, 1498207, 1655913, 3863797, 4494621, 10487449, 11591391, 31462347, 73412143, 220236429]

約数ペア:

[(1, 220236429), (3, 73412143), (7, 31462347), (19, 11591391), (21, 10487449), (49, 4494621), (57, 3863797), (133, 1655913), (147, 1498207), (399, 551971), (931, 236559), (2793, 78853)]