220153941

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{57287}}^1$

素因数の和:57361

約数の個数: 24

約数和(自身を含む): 369393024

約数和(自身を除く): 149239083

約数列:

[1, 3, 7, 9, 21, 61, 63, 183, 427, 549, 1281, 3843, 57287, 171861, 401009, 515583, 1203027, 3494507, 3609081, 10483521, 24461549, 31450563, 73384647, 220153941]

約数ペア:

[(1, 220153941), (3, 73384647), (7, 31450563), (9, 24461549), (21, 10483521), (61, 3609081), (63, 3494507), (183, 1203027), (427, 515583), (549, 401009), (1281, 171861), (3843, 57287)]