31681863

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{3907}}^1$

素因数の和:3983

約数の個数: 24

約数和(自身を含む): 49381488

約数和(自身を除く): 17699625

約数列:

[1, 3, 9, 17, 51, 53, 153, 159, 477, 901, 2703, 3907, 8109, 11721, 35163, 66419, 199257, 207071, 597771, 621213, 1863639, 3520207, 10560621, 31681863]

約数ペア:

[(1, 31681863), (3, 10560621), (9, 3520207), (17, 1863639), (51, 621213), (53, 597771), (153, 207071), (159, 199257), (477, 66419), (901, 35163), (2703, 11721), (3907, 8109)]