29871639

素因数分解:

$3^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2591}}^1$

素因数の和:2668

約数の個数: 32

約数和(自身を含む): 51425280

約数和(自身を除く): 21553641

約数列:

[1, 3, 7, 9, 21, 27, 61, 63, 183, 189, 427, 549, 1281, 1647, 2591, 3843, 7773, 11529, 18137, 23319, 54411, 69957, 158051, 163233, 474153, 489699, 1106357, 1422459, 3319071, 4267377, 9957213, 29871639]

約数ペア:

[(1, 29871639), (3, 9957213), (7, 4267377), (9, 3319071), (21, 1422459), (27, 1106357), (61, 489699), (63, 474153), (183, 163233), (189, 158051), (427, 69957), (549, 54411), (1281, 23319), (1647, 18137), (2591, 11529), (3843, 7773)]