27975981

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:138

約数の個数: 64

約数和(自身を含む): 46448640

約数和(自身を除く): 18472659

約数列:

[1, 3, 11, 23, 29, 31, 33, 41, 69, 87, 93, 123, 253, 319, 341, 451, 667, 713, 759, 899, 943, 957, 1023, 1189, 1271, 1353, 2001, 2139, 2697, 2829, 3567, 3813, 7337, 7843, 9889, 10373, 13079, 13981, 20677, 22011, 23529, 27347, 29233, 29667, 31119, 36859, 39237, 41943, 62031, 82041, 87699, 110577, 227447, 300817, 321563, 405449, 682341, 847757, 902451, 964689, 1216347, 2543271, 9325327, 27975981]

約数ペア:

[(1, 27975981), (3, 9325327), (11, 2543271), (23, 1216347), (29, 964689), (31, 902451), (33, 847757), (41, 682341), (69, 405449), (87, 321563), (93, 300817), (123, 227447), (253, 110577), (319, 87699), (341, 82041), (451, 62031), (667, 41943), (713, 39237), (759, 36859), (899, 31119), (943, 29667), (957, 29233), (1023, 27347), (1189, 23529), (1271, 22011), (1353, 20677), (2001, 13981), (2139, 13079), (2697, 10373), (2829, 9889), (3567, 7843), (3813, 7337)]