242578905

素因数分解:

$3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{197}}^1\times {\mathrm{797}}^1$

素因数の和:1105

約数の個数: 32

約数和(自身を含む): 394377984

約数和(自身を除く): 151799079

約数列:

[1, 3, 5, 15, 103, 197, 309, 515, 591, 797, 985, 1545, 2391, 2955, 3985, 11955, 20291, 60873, 82091, 101455, 157009, 246273, 304365, 410455, 471027, 785045, 1231365, 2355135, 16171927, 48515781, 80859635, 242578905]

約数ペア:

[(1, 242578905), (3, 80859635), (5, 48515781), (15, 16171927), (103, 2355135), (197, 1231365), (309, 785045), (515, 471027), (591, 410455), (797, 304365), (985, 246273), (1545, 157009), (2391, 101455), (2955, 82091), (3985, 60873), (11955, 20291)]