217608957

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{18443}}^1$

素因数の和:18494

約数の個数: 32

約数和(自身を含む): 354124800

約数和(自身を除く): 136515843

約数列:

[1, 3, 9, 19, 23, 27, 57, 69, 171, 207, 437, 513, 621, 1311, 3933, 11799, 18443, 55329, 165987, 350417, 424189, 497961, 1051251, 1272567, 3153753, 3817701, 8059591, 9461259, 11453103, 24178773, 72536319, 217608957]

約数ペア:

[(1, 217608957), (3, 72536319), (9, 24178773), (19, 11453103), (23, 9461259), (27, 8059591), (57, 3817701), (69, 3153753), (171, 1272567), (207, 1051251), (437, 497961), (513, 424189), (621, 350417), (1311, 165987), (3933, 55329), (11799, 18443)]