280485513

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{1783}}^1$

素因数の和:2034

約数の個数: 48

約数和(自身を含む): 507626496

約数和(自身を除く): 227140983

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 227, 231, 681, 693, 1589, 1783, 2043, 2497, 4767, 5349, 7491, 12481, 14301, 16047, 17479, 19613, 22473, 37443, 52437, 58839, 112329, 137291, 157311, 176517, 404741, 411873, 1214223, 1235619, 2833187, 3642669, 4452151, 8499561, 13356453, 25498683, 31165057, 40069359, 93495171, 280485513]

約数ペア:

[(1, 280485513), (3, 93495171), (7, 40069359), (9, 31165057), (11, 25498683), (21, 13356453), (33, 8499561), (63, 4452151), (77, 3642669), (99, 2833187), (227, 1235619), (231, 1214223), (681, 411873), (693, 404741), (1589, 176517), (1783, 157311), (2043, 137291), (2497, 112329), (4767, 58839), (5349, 52437), (7491, 37443), (12481, 22473), (14301, 19613), (16047, 17479)]