208542951

素因数分解:

$3^3\times {\mathrm{139}}^1\times {\mathrm{181}}^1\times {\mathrm{307}}^1$

素因数の和:636

約数の個数: 32

約数和(自身を含む): 313913600

約数和(自身を除く): 105370649

約数列:

[1, 3, 9, 27, 139, 181, 307, 417, 543, 921, 1251, 1629, 2763, 3753, 4887, 8289, 25159, 42673, 55567, 75477, 128019, 166701, 226431, 384057, 500103, 679293, 1152171, 1500309, 7723813, 23171439, 69514317, 208542951]

約数ペア:

[(1, 208542951), (3, 69514317), (9, 23171439), (27, 7723813), (139, 1500309), (181, 1152171), (307, 679293), (417, 500103), (543, 384057), (921, 226431), (1251, 166701), (1629, 128019), (2763, 75477), (3753, 55567), (4887, 42673), (8289, 25159)]