51580725

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5171}}^1$

素因数の和:5210

約数の個数: 48

約数和(自身を含む): 102612480

約数和(自身を除く): 51031755

約数列:

[1, 3, 5, 7, 15, 19, 21, 25, 35, 57, 75, 95, 105, 133, 175, 285, 399, 475, 525, 665, 1425, 1995, 3325, 5171, 9975, 15513, 25855, 36197, 77565, 98249, 108591, 129275, 180985, 294747, 387825, 491245, 542955, 687743, 904925, 1473735, 2063229, 2456225, 2714775, 3438715, 7368675, 10316145, 17193575, 51580725]

約数ペア:

[(1, 51580725), (3, 17193575), (5, 10316145), (7, 7368675), (15, 3438715), (19, 2714775), (21, 2456225), (25, 2063229), (35, 1473735), (57, 904925), (75, 687743), (95, 542955), (105, 491245), (133, 387825), (175, 294747), (285, 180985), (399, 129275), (475, 108591), (525, 98249), (665, 77565), (1425, 36197), (1995, 25855), (3325, 15513), (5171, 9975)]