37899981

素因数分解:

$3^6\times 7^2\times {\mathrm{1061}}^1$

素因数の和:1093

約数の個数: 42

約数和(自身を含む): 66163662

約数和(自身を除く): 28263681

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 243, 441, 567, 729, 1061, 1323, 1701, 3183, 3969, 5103, 7427, 9549, 11907, 22281, 28647, 35721, 51989, 66843, 85941, 155967, 200529, 257823, 467901, 601587, 773469, 1403703, 1804761, 4211109, 5414283, 12633327, 37899981]

約数ペア:

[(1, 37899981), (3, 12633327), (7, 5414283), (9, 4211109), (21, 1804761), (27, 1403703), (49, 773469), (63, 601587), (81, 467901), (147, 257823), (189, 200529), (243, 155967), (441, 85941), (567, 66843), (729, 51989), (1061, 35721), (1323, 28647), (1701, 22281), (3183, 11907), (3969, 9549), (5103, 7427)]