208598145

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{283807}}^1$

素因数の和:283829

約数の個数: 24

約数和(自身を含む): 388249344

約数和(自身を除く): 179651199

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 283807, 851421, 1419035, 1986649, 4257105, 5959947, 9933245, 13906543, 29799735, 41719629, 69532715, 208598145]

約数ペア:

[(1, 208598145), (3, 69532715), (5, 41719629), (7, 29799735), (15, 13906543), (21, 9933245), (35, 5959947), (49, 4257105), (105, 1986649), (147, 1419035), (245, 851421), (735, 283807)]