51388995

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{503}}^1$

素因数の和:664

約数の個数: 48

約数和(自身を含む): 96526080

約数和(自身を除く): 45137085

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 139, 147, 245, 417, 503, 695, 735, 973, 1509, 2085, 2515, 2919, 3521, 4865, 6811, 7545, 10563, 14595, 17605, 20433, 24647, 34055, 52815, 69917, 73941, 102165, 123235, 209751, 349585, 369705, 489419, 1048755, 1468257, 2447095, 3425933, 7341285, 10277799, 17129665, 51388995]

約数ペア:

[(1, 51388995), (3, 17129665), (5, 10277799), (7, 7341285), (15, 3425933), (21, 2447095), (35, 1468257), (49, 1048755), (105, 489419), (139, 369705), (147, 349585), (245, 209751), (417, 123235), (503, 102165), (695, 73941), (735, 69917), (973, 52815), (1509, 34055), (2085, 24647), (2515, 20433), (2919, 17605), (3521, 14595), (4865, 10563), (6811, 7545)]