51871425

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{409}}^1$

素因数の和:530

約数の個数: 48

約数和(自身を含む): 91512000

約数和(自身を除く): 39640575

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 89, 95, 267, 285, 409, 445, 475, 1227, 1335, 1425, 1691, 2045, 2225, 5073, 6135, 6675, 7771, 8455, 10225, 23313, 25365, 30675, 36401, 38855, 42275, 109203, 116565, 126825, 182005, 194275, 546015, 582825, 691619, 910025, 2074857, 2730075, 3458095, 10374285, 17290475, 51871425]

約数ペア:

[(1, 51871425), (3, 17290475), (5, 10374285), (15, 3458095), (19, 2730075), (25, 2074857), (57, 910025), (75, 691619), (89, 582825), (95, 546015), (267, 194275), (285, 182005), (409, 126825), (445, 116565), (475, 109203), (1227, 42275), (1335, 38855), (1425, 36401), (1691, 30675), (2045, 25365), (2225, 23313), (5073, 10225), (6135, 8455), (6675, 7771)]