31019247

素因数分解:

$3^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{4003}}^1$

素因数の和:4060

約数の個数: 32

約数和(自身を含む): 53813760

約数和(自身を除く): 22794513

約数列:

[1, 3, 7, 9, 21, 27, 41, 63, 123, 189, 287, 369, 861, 1107, 2583, 4003, 7749, 12009, 28021, 36027, 84063, 108081, 164123, 252189, 492369, 756567, 1148861, 1477107, 3446583, 4431321, 10339749, 31019247]

約数ペア:

[(1, 31019247), (3, 10339749), (7, 4431321), (9, 3446583), (21, 1477107), (27, 1148861), (41, 756567), (63, 492369), (123, 252189), (189, 164123), (287, 108081), (369, 84063), (861, 36027), (1107, 28021), (2583, 12009), (4003, 7749)]