7143825

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{431}}^1$

素因数の和:474

約数の個数: 48

約数和(自身を含む): 13499136

約数和(自身を除く): 6355311

約数列:

[1, 3, 5, 13, 15, 17, 25, 39, 51, 65, 75, 85, 195, 221, 255, 325, 425, 431, 663, 975, 1105, 1275, 1293, 2155, 3315, 5525, 5603, 6465, 7327, 10775, 16575, 16809, 21981, 28015, 32325, 36635, 84045, 95251, 109905, 140075, 183175, 285753, 420225, 476255, 549525, 1428765, 2381275, 7143825]

約数ペア:

[(1, 7143825), (3, 2381275), (5, 1428765), (13, 549525), (15, 476255), (17, 420225), (25, 285753), (39, 183175), (51, 140075), (65, 109905), (75, 95251), (85, 84045), (195, 36635), (221, 32325), (255, 28015), (325, 21981), (425, 16809), (431, 16575), (663, 10775), (975, 7327), (1105, 6465), (1275, 5603), (1293, 5525), (2155, 3315)]