81062475

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1171}}^1$

素因数の和:1268

約数の個数: 48

約数和(自身を含む): 146490624

約数和(自身を除く): 65428149

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 71, 75, 195, 213, 325, 355, 923, 975, 1065, 1171, 1775, 2769, 3513, 4615, 5325, 5855, 13845, 15223, 17565, 23075, 29275, 45669, 69225, 76115, 83141, 87825, 228345, 249423, 380575, 415705, 1080833, 1141725, 1247115, 2078525, 3242499, 5404165, 6235575, 16212495, 27020825, 81062475]

約数ペア:

[(1, 81062475), (3, 27020825), (5, 16212495), (13, 6235575), (15, 5404165), (25, 3242499), (39, 2078525), (65, 1247115), (71, 1141725), (75, 1080833), (195, 415705), (213, 380575), (325, 249423), (355, 228345), (923, 87825), (975, 83141), (1065, 76115), (1171, 69225), (1775, 45669), (2769, 29275), (3513, 23075), (4615, 17565), (5325, 15223), (5855, 13845)]