217323843

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{1279}}^1$

素因数の和:1583

約数の個数: 32

約数和(自身を含む): 334233600

約数和(自身を除く): 116909757

約数列:

[1, 3, 11, 19, 33, 57, 209, 271, 627, 813, 1279, 2981, 3837, 5149, 8943, 14069, 15447, 24301, 42207, 56639, 72903, 169917, 267311, 346609, 801933, 1039827, 3812699, 6585571, 11438097, 19756713, 72441281, 217323843]

約数ペア:

[(1, 217323843), (3, 72441281), (11, 19756713), (19, 11438097), (33, 6585571), (57, 3812699), (209, 1039827), (271, 801933), (627, 346609), (813, 267311), (1279, 169917), (2981, 72903), (3837, 56639), (5149, 42207), (8943, 24301), (14069, 15447)]