28165425

素因数分解:

$3^1\times 5^2\times {\mathrm{127}}^1\times {\mathrm{2957}}^1$

素因数の和:3097

約数の個数: 24

約数和(自身を含む): 46949376

約数和(自身を除く): 18783951

約数列:

[1, 3, 5, 15, 25, 75, 127, 381, 635, 1905, 2957, 3175, 8871, 9525, 14785, 44355, 73925, 221775, 375539, 1126617, 1877695, 5633085, 9388475, 28165425]

約数ペア:

[(1, 28165425), (3, 9388475), (5, 5633085), (15, 1877695), (25, 1126617), (75, 375539), (127, 221775), (381, 73925), (635, 44355), (1905, 14785), (2957, 9525), (3175, 8871)]