215599491

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{82891}}^1$

素因数の和:82931

約数の個数: 18

約数和(自身を含む): 330821972

約数和(自身を除く): 115222481

約数列:

[1, 3, 9, 17, 51, 153, 289, 867, 2601, 82891, 248673, 746019, 1409147, 4227441, 12682323, 23955499, 71866497, 215599491]

約数ペア:

[(1, 215599491), (3, 71866497), (9, 23955499), (17, 12682323), (51, 4227441), (153, 1409147), (289, 746019), (867, 248673), (2601, 82891)]