25809723

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{9923}}^1$

素因数の和:9963

約数の個数: 18

約数和(自身を含む): 39606684

約数和(自身を除く): 13796961

約数列:

[1, 3, 9, 17, 51, 153, 289, 867, 2601, 9923, 29769, 89307, 168691, 506073, 1518219, 2867747, 8603241, 25809723]

約数ペア:

[(1, 25809723), (3, 8603241), (9, 2867747), (17, 1518219), (51, 506073), (153, 168691), (289, 89307), (867, 29769), (2601, 9923)]