290468715

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{487}}^1\times {\mathrm{2339}}^1$

素因数の和:2851

約数の個数: 32

約数和(自身を含む): 493309440

約数和(自身を除く): 202840725

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 487, 1461, 2339, 2435, 7017, 7305, 8279, 11695, 24837, 35085, 39763, 41395, 119289, 124185, 198815, 596445, 1139093, 3417279, 5695465, 17086395, 19364581, 58093743, 96822905, 290468715]

約数ペア:

[(1, 290468715), (3, 96822905), (5, 58093743), (15, 19364581), (17, 17086395), (51, 5695465), (85, 3417279), (255, 1139093), (487, 596445), (1461, 198815), (2339, 124185), (2435, 119289), (7017, 41395), (7305, 39763), (8279, 35085), (11695, 24837)]