81199275

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{1009}}^1$

素因数の和:1088

約数の個数: 48

約数和(自身を含む): 142773600

約数和(自身を除く): 61574325

約数列:

[1, 3, 5, 15, 25, 29, 37, 75, 87, 111, 145, 185, 435, 555, 725, 925, 1009, 1073, 2175, 2775, 3027, 3219, 5045, 5365, 15135, 16095, 25225, 26825, 29261, 37333, 75675, 80475, 87783, 111999, 146305, 186665, 438915, 559995, 731525, 933325, 1082657, 2194575, 2799975, 3247971, 5413285, 16239855, 27066425, 81199275]

約数ペア:

[(1, 81199275), (3, 27066425), (5, 16239855), (15, 5413285), (25, 3247971), (29, 2799975), (37, 2194575), (75, 1082657), (87, 933325), (111, 731525), (145, 559995), (185, 438915), (435, 186665), (555, 146305), (725, 111999), (925, 87783), (1009, 80475), (1073, 75675), (2175, 37333), (2775, 29261), (3027, 26825), (3219, 25225), (5045, 16095), (5365, 15135)]