51424275

素因数分解:

$3^1\times 5^2\times 7^3\times {\mathrm{1999}}^1$

素因数の和:2033

約数の個数: 48

約数和(自身を含む): 99200000

約数和(自身を除く): 47775725

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 75, 105, 147, 175, 245, 343, 525, 735, 1029, 1225, 1715, 1999, 3675, 5145, 5997, 8575, 9995, 13993, 25725, 29985, 41979, 49975, 69965, 97951, 149925, 209895, 293853, 349825, 489755, 685657, 1049475, 1469265, 2056971, 2448775, 3428285, 7346325, 10284855, 17141425, 51424275]

約数ペア:

[(1, 51424275), (3, 17141425), (5, 10284855), (7, 7346325), (15, 3428285), (21, 2448775), (25, 2056971), (35, 1469265), (49, 1049475), (75, 685657), (105, 489755), (147, 349825), (175, 293853), (245, 209895), (343, 149925), (525, 97951), (735, 69965), (1029, 49975), (1225, 41979), (1715, 29985), (1999, 25725), (3675, 13993), (5145, 9995), (5997, 8575)]