2271213

素因数分解:

$3^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1$

素因数の和:274

約数の個数: 32

約数和(自身を含む): 3928320

約数和(自身を除く): 1657107

約数列:

[1, 3, 7, 9, 21, 27, 61, 63, 183, 189, 197, 427, 549, 591, 1281, 1379, 1647, 1773, 3843, 4137, 5319, 11529, 12017, 12411, 36051, 37233, 84119, 108153, 252357, 324459, 757071, 2271213]

約数ペア:

[(1, 2271213), (3, 757071), (7, 324459), (9, 252357), (21, 108153), (27, 84119), (61, 37233), (63, 36051), (183, 12411), (189, 12017), (197, 11529), (427, 5319), (549, 4137), (591, 3843), (1281, 1773), (1379, 1647)]