28661535

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{90989}}^1$

素因数の和:91007

約数の個数: 24

約数和(自身を含む): 56777760

約数和(自身を除く): 28116225

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 90989, 272967, 454945, 636923, 818901, 1364835, 1910769, 3184615, 4094505, 5732307, 9553845, 28661535]

約数ペア:

[(1, 28661535), (3, 9553845), (5, 5732307), (7, 4094505), (9, 3184615), (15, 1910769), (21, 1364835), (35, 818901), (45, 636923), (63, 454945), (105, 272967), (315, 90989)]