287797185

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163987}}^1$

素因数の和:164014

約数の個数: 32

約数和(自身を含む): 550999680

約数和(自身を除く): 263202495

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 195, 351, 585, 1755, 163987, 491961, 819935, 1475883, 2131831, 2459805, 4427649, 6395493, 7379415, 10659155, 19186479, 22138245, 31977465, 57559437, 95932395, 287797185]

約数ペア:

[(1, 287797185), (3, 95932395), (5, 57559437), (9, 31977465), (13, 22138245), (15, 19186479), (27, 10659155), (39, 7379415), (45, 6395493), (65, 4427649), (117, 2459805), (135, 2131831), (195, 1475883), (351, 819935), (585, 491961), (1755, 163987)]