25181199

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{18287}}^1$

素因数の和:18316

約数の個数: 20

約数和(自身を含む): 39831264

約数和(自身を除く): 14650065

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 18287, 54861, 164583, 310879, 493749, 932637, 1481247, 2797911, 8393733, 25181199]

約数ペア:

[(1, 25181199), (3, 8393733), (9, 2797911), (17, 1481247), (27, 932637), (51, 493749), (81, 310879), (153, 164583), (459, 54861), (1377, 18287)]