51218775

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{11981}}^1$

素因数の和:12016

約数の個数: 36

約数和(自身を含む): 96574920

約数和(自身を除く): 45356145

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 75, 95, 171, 225, 285, 475, 855, 1425, 4275, 11981, 35943, 59905, 107829, 179715, 227639, 299525, 539145, 682917, 898575, 1138195, 2048751, 2695725, 3414585, 5690975, 10243755, 17072925, 51218775]

約数ペア:

[(1, 51218775), (3, 17072925), (5, 10243755), (9, 5690975), (15, 3414585), (19, 2695725), (25, 2048751), (45, 1138195), (57, 898575), (75, 682917), (95, 539145), (171, 299525), (225, 227639), (285, 179715), (475, 107829), (855, 59905), (1425, 35943), (4275, 11981)]