217109313

素因数分解:

$3^2\times {\mathrm{107}}^1\times {\mathrm{131}}^1\times {\mathrm{1721}}^1$

素因数の和:1965

約数の個数: 24

約数和(自身を含む): 319134816

約数和(自身を除く): 102025503

約数列:

[1, 3, 9, 107, 131, 321, 393, 963, 1179, 1721, 5163, 14017, 15489, 42051, 126153, 184147, 225451, 552441, 676353, 1657323, 2029059, 24123257, 72369771, 217109313]

約数ペア:

[(1, 217109313), (3, 72369771), (9, 24123257), (107, 2029059), (131, 1657323), (321, 676353), (393, 552441), (963, 225451), (1179, 184147), (1721, 126153), (5163, 42051), (14017, 15489)]