31854627

素因数分解:

$3^5\times 7^1\times {\mathrm{61}}^1\times {\mathrm{307}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 55607552

約数和(自身を除く): 23752925

約数列:

[1, 3, 7, 9, 21, 27, 61, 63, 81, 183, 189, 243, 307, 427, 549, 567, 921, 1281, 1647, 1701, 2149, 2763, 3843, 4941, 6447, 8289, 11529, 14823, 18727, 19341, 24867, 34587, 56181, 58023, 74601, 103761, 131089, 168543, 174069, 393267, 505629, 522207, 1179801, 1516887, 3539403, 4550661, 10618209, 31854627]

約数ペア:

[(1, 31854627), (3, 10618209), (7, 4550661), (9, 3539403), (21, 1516887), (27, 1179801), (61, 522207), (63, 505629), (81, 393267), (183, 174069), (189, 168543), (243, 131089), (307, 103761), (427, 74601), (549, 58023), (567, 56181), (921, 34587), (1281, 24867), (1647, 19341), (1701, 18727), (2149, 14823), (2763, 11529), (3843, 8289), (4941, 6447)]