28772925

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{22567}}^1$

素因数の和:22597

約数の個数: 24

約数和(自身を含む): 50371776

約数和(自身を除く): 21598851

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 1275, 22567, 67701, 112835, 338505, 383639, 564175, 1150917, 1692525, 1918195, 5754585, 9590975, 28772925]

約数ペア:

[(1, 28772925), (3, 9590975), (5, 5754585), (15, 1918195), (17, 1692525), (25, 1150917), (51, 564175), (75, 383639), (85, 338505), (255, 112835), (425, 67701), (1275, 22567)]