51877215

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1249}}^1$

素因数の和:1344

約数の個数: 48

約数和(自身を含む): 98280000

約数和(自身を除く): 46402785

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 71, 117, 195, 213, 355, 585, 639, 923, 1065, 1249, 2769, 3195, 3747, 4615, 6245, 8307, 11241, 13845, 16237, 18735, 41535, 48711, 56205, 81185, 88679, 146133, 243555, 266037, 443395, 730665, 798111, 1152827, 1330185, 3458481, 3990555, 5764135, 10375443, 17292405, 51877215]

約数ペア:

[(1, 51877215), (3, 17292405), (5, 10375443), (9, 5764135), (13, 3990555), (15, 3458481), (39, 1330185), (45, 1152827), (65, 798111), (71, 730665), (117, 443395), (195, 266037), (213, 243555), (355, 146133), (585, 88679), (639, 81185), (923, 56205), (1065, 48711), (1249, 41535), (2769, 18735), (3195, 16237), (3747, 13845), (4615, 11241), (6245, 8307)]