28726209

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{983}}^1$

素因数の和:1197

約数の個数: 24

約数和(自身を含む): 44209152

約数和(自身を除く): 15482943

約数列:

[1, 3, 9, 17, 51, 153, 191, 573, 983, 1719, 2949, 3247, 8847, 9741, 16711, 29223, 50133, 150399, 187753, 563259, 1689777, 3191801, 9575403, 28726209]

約数ペア:

[(1, 28726209), (3, 9575403), (9, 3191801), (17, 1689777), (51, 563259), (153, 187753), (191, 150399), (573, 50133), (983, 29223), (1719, 16711), (2949, 9741), (3247, 8847)]