28796025

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{8929}}^1$

素因数の和:8985

約数の個数: 24

約数和(自身を含む): 48722080

約数和(自身を除く): 19926055

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 215, 645, 1075, 3225, 8929, 26787, 44645, 133935, 223225, 383947, 669675, 1151841, 1919735, 5759205, 9598675, 28796025]

約数ペア:

[(1, 28796025), (3, 9598675), (5, 5759205), (15, 1919735), (25, 1151841), (43, 669675), (75, 383947), (129, 223225), (215, 133935), (645, 44645), (1075, 26787), (3225, 8929)]