198693555

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{293}}^1\times {\mathrm{853}}^1$

素因数の和:1207

約数の個数: 32

約数和(自身を含む): 325394496

約数和(自身を除く): 126700941

約数列:

[1, 3, 5, 15, 53, 159, 265, 293, 795, 853, 879, 1465, 2559, 4265, 4395, 12795, 15529, 45209, 46587, 77645, 135627, 226045, 232935, 249929, 678135, 749787, 1249645, 3748935, 13246237, 39738711, 66231185, 198693555]

約数ペア:

[(1, 198693555), (3, 66231185), (5, 39738711), (15, 13246237), (53, 3748935), (159, 1249645), (265, 749787), (293, 678135), (795, 249929), (853, 232935), (879, 226045), (1465, 135627), (2559, 77645), (4265, 46587), (4395, 45209), (12795, 15529)]