31034421

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{571}}^1$

素因数の和:655

約数の個数: 40

約数和(自身を含む): 51493728

約数和(自身を除く): 20459307

約数列:

[1, 3, 9, 11, 27, 33, 61, 81, 99, 183, 297, 549, 571, 671, 891, 1647, 1713, 2013, 4941, 5139, 6039, 6281, 15417, 18117, 18843, 34831, 46251, 54351, 56529, 104493, 169587, 313479, 383141, 508761, 940437, 1149423, 2821311, 3448269, 10344807, 31034421]

約数ペア:

[(1, 31034421), (3, 10344807), (9, 3448269), (11, 2821311), (27, 1149423), (33, 940437), (61, 508761), (81, 383141), (99, 313479), (183, 169587), (297, 104493), (549, 56529), (571, 54351), (671, 46251), (891, 34831), (1647, 18843), (1713, 18117), (2013, 15417), (4941, 6281), (5139, 6039)]