31997655

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{277}}^1$

素因数の和:456

約数の個数: 48

約数和(自身を含む): 59327424

約数和(自身を除く): 27329769

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 151, 153, 255, 277, 453, 755, 765, 831, 1359, 1385, 2265, 2493, 2567, 4155, 4709, 6795, 7701, 12465, 12835, 14127, 23103, 23545, 38505, 41827, 42381, 70635, 115515, 125481, 209135, 211905, 376443, 627405, 711059, 1882215, 2133177, 3555295, 6399531, 10665885, 31997655]

約数ペア:

[(1, 31997655), (3, 10665885), (5, 6399531), (9, 3555295), (15, 2133177), (17, 1882215), (45, 711059), (51, 627405), (85, 376443), (151, 211905), (153, 209135), (255, 125481), (277, 115515), (453, 70635), (755, 42381), (765, 41827), (831, 38505), (1359, 23545), (1385, 23103), (2265, 14127), (2493, 12835), (2567, 12465), (4155, 7701), (4709, 6795)]