28501905

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{44189}}^1$

素因数の和:44240

約数の個数: 16

約数和(自身を含む): 46664640

約数和(自身を除く): 18162735

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 44189, 132567, 220945, 662835, 1900127, 5700381, 9500635, 28501905]

約数ペア:

[(1, 28501905), (3, 9500635), (5, 5700381), (15, 1900127), (43, 662835), (129, 220945), (215, 132567), (645, 44189)]