30811905

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{40277}}^1$

素因数の和:40305

約数の個数: 24

約数和(自身を含む): 56550312

約数和(自身を除く): 25738407

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 40277, 120831, 201385, 362493, 604155, 684709, 1812465, 2054127, 3423545, 6162381, 10270635, 30811905]

約数ペア:

[(1, 30811905), (3, 10270635), (5, 6162381), (9, 3423545), (15, 2054127), (17, 1812465), (45, 684709), (51, 604155), (85, 362493), (153, 201385), (255, 120831), (765, 40277)]