23220387

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{2069}}^1$

素因数の和:2147

約数の個数: 24

約数和(自身を含む): 35521200

約数和(自身を除く): 12300813

約数列:

[1, 3, 9, 29, 43, 87, 129, 261, 387, 1247, 2069, 3741, 6207, 11223, 18621, 60001, 88967, 180003, 266901, 540009, 800703, 2580043, 7740129, 23220387]

約数ペア:

[(1, 23220387), (3, 7740129), (9, 2580043), (29, 800703), (43, 540009), (87, 266901), (129, 180003), (261, 88967), (387, 60001), (1247, 18621), (2069, 11223), (3741, 6207)]