208077849

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{317}}^1$

素因数の和:507

約数の個数: 64

約数和(自身を含む): 371220480

約数和(自身を除く): 163142631

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 151, 161, 189, 207, 317, 453, 483, 621, 951, 1057, 1359, 1449, 2219, 2853, 3171, 3473, 4077, 4347, 6657, 7291, 8559, 9513, 10419, 19971, 21873, 24311, 28539, 31257, 47867, 51037, 59913, 65619, 72933, 93771, 143601, 153111, 196857, 218799, 335069, 430803, 459333, 656397, 1005207, 1100941, 1292409, 1377999, 3015621, 3302823, 7706587, 9046863, 9908469, 23119761, 29725407, 69359283, 208077849]

約数ペア:

[(1, 208077849), (3, 69359283), (7, 29725407), (9, 23119761), (21, 9908469), (23, 9046863), (27, 7706587), (63, 3302823), (69, 3015621), (151, 1377999), (161, 1292409), (189, 1100941), (207, 1005207), (317, 656397), (453, 459333), (483, 430803), (621, 335069), (951, 218799), (1057, 196857), (1359, 153111), (1449, 143601), (2219, 93771), (2853, 72933), (3171, 65619), (3473, 59913), (4077, 51037), (4347, 47867), (6657, 31257), (7291, 28539), (8559, 24311), (9513, 21873), (10419, 19971)]