207942399

素因数分解:

$3^2\times 7^1\times {\mathrm{211}}^1\times {\mathrm{15643}}^1$

素因数の和:15867

約数の個数: 24

約数和(自身を含む): 344918912

約数和(自身を除く): 136976513

約数列:

[1, 3, 7, 9, 21, 63, 211, 633, 1477, 1899, 4431, 13293, 15643, 46929, 109501, 140787, 328503, 985509, 3300673, 9902019, 23104711, 29706057, 69314133, 207942399]

約数ペア:

[(1, 207942399), (3, 69314133), (7, 29706057), (9, 23104711), (21, 9902019), (63, 3300673), (211, 985509), (633, 328503), (1477, 140787), (1899, 109501), (4431, 46929), (13293, 15643)]