56821005

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43541}}^1$

素因数の和:43581

約数の個数: 24

約数和(自身を含む): 101888280

約数和(自身を除く): 45067275

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 43541, 130623, 217705, 391869, 653115, 1262689, 1959345, 3788067, 6313445, 11364201, 18940335, 56821005]

約数ペア:

[(1, 56821005), (3, 18940335), (5, 11364201), (9, 6313445), (15, 3788067), (29, 1959345), (45, 1262689), (87, 653115), (145, 391869), (261, 217705), (435, 130623), (1305, 43541)]