25921719

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{241}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 43037280

約数和(自身を除く): 17115561

約数列:

[1, 3, 9, 17, 19, 37, 51, 57, 111, 153, 171, 241, 323, 333, 629, 703, 723, 969, 1887, 2109, 2169, 2907, 4097, 4579, 5661, 6327, 8917, 11951, 12291, 13737, 26751, 35853, 36873, 41211, 77843, 80253, 107559, 151589, 169423, 233529, 454767, 508269, 700587, 1364301, 1524807, 2880191, 8640573, 25921719]

約数ペア:

[(1, 25921719), (3, 8640573), (9, 2880191), (17, 1524807), (19, 1364301), (37, 700587), (51, 508269), (57, 454767), (111, 233529), (153, 169423), (171, 151589), (241, 107559), (323, 80253), (333, 77843), (629, 41211), (703, 36873), (723, 35853), (969, 26751), (1887, 13737), (2109, 12291), (2169, 11951), (2907, 8917), (4097, 6327), (4579, 5661)]