27704187

素因数分解:

$3^6\times 7^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:175

約数の個数: 56

約数和(自身を含む): 48791520

約数和(自身を除く): 21087333

約数列:

[1, 3, 7, 9, 21, 27, 61, 63, 81, 89, 183, 189, 243, 267, 427, 549, 567, 623, 729, 801, 1281, 1647, 1701, 1869, 2403, 3843, 4941, 5103, 5429, 5607, 7209, 11529, 14823, 16287, 16821, 21627, 34587, 38003, 44469, 48861, 50463, 64881, 103761, 114009, 146583, 151389, 311283, 342027, 439749, 454167, 1026081, 1319247, 3078243, 3957741, 9234729, 27704187]

約数ペア:

[(1, 27704187), (3, 9234729), (7, 3957741), (9, 3078243), (21, 1319247), (27, 1026081), (61, 454167), (63, 439749), (81, 342027), (89, 311283), (183, 151389), (189, 146583), (243, 114009), (267, 103761), (427, 64881), (549, 50463), (567, 48861), (623, 44469), (729, 38003), (801, 34587), (1281, 21627), (1647, 16821), (1701, 16287), (1869, 14823), (2403, 11529), (3843, 7209), (4941, 5607), (5103, 5429)]