161227017

素因数分解:

$3^4\times 7^1\times {\mathrm{181}}^1\times {\mathrm{1571}}^1$

素因数の和:1771

約数の個数: 40

約数和(自身を含む): 276948672

約数和(自身を除く): 115721655

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 181, 189, 543, 567, 1267, 1571, 1629, 3801, 4713, 4887, 10997, 11403, 14139, 14661, 32991, 34209, 42417, 98973, 102627, 127251, 284351, 296919, 853053, 890757, 1990457, 2559159, 5971371, 7677477, 17914113, 23032431, 53742339, 161227017]

約数ペア:

[(1, 161227017), (3, 53742339), (7, 23032431), (9, 17914113), (21, 7677477), (27, 5971371), (63, 2559159), (81, 1990457), (181, 890757), (189, 853053), (543, 296919), (567, 284351), (1267, 127251), (1571, 102627), (1629, 98973), (3801, 42417), (4713, 34209), (4887, 32991), (10997, 14661), (11403, 14139)]