31402161

素因数分解:

$3^5\times 7^1\times {\mathrm{18461}}^1$

素因数の和:18483

約数の個数: 24

約数和(自身を含む): 53761344

約数和(自身を除く): 22359183

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 18461, 55383, 129227, 166149, 387681, 498447, 1163043, 1495341, 3489129, 4486023, 10467387, 31402161]

約数ペア:

[(1, 31402161), (3, 10467387), (7, 4486023), (9, 3489129), (21, 1495341), (27, 1163043), (63, 498447), (81, 387681), (189, 166149), (243, 129227), (567, 55383), (1701, 18461)]