28670481

素因数分解:

$3^2\times 7^1\times {\mathrm{571}}^1\times {\mathrm{797}}^1$

素因数の和:1381

約数の個数: 24

約数和(自身を含む): 47471424

約数和(自身を除く): 18800943

約数列:

[1, 3, 7, 9, 21, 63, 571, 797, 1713, 2391, 3997, 5139, 5579, 7173, 11991, 16737, 35973, 50211, 455087, 1365261, 3185609, 4095783, 9556827, 28670481]

約数ペア:

[(1, 28670481), (3, 9556827), (7, 4095783), (9, 3185609), (21, 1365261), (63, 455087), (571, 50211), (797, 35973), (1713, 16737), (2391, 11991), (3997, 7173), (5139, 5579)]