198998889

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{659}}^1$

素因数の和:901

約数の個数: 32

約数和(自身を含む): 291962880

約数和(自身を除く): 92963991

約数列:

[1, 3, 17, 31, 51, 93, 191, 527, 573, 659, 1581, 1977, 3247, 5921, 9741, 11203, 17763, 20429, 33609, 61287, 100657, 125869, 301971, 347293, 377607, 1041879, 2139773, 3901939, 6419319, 11705817, 66332963, 198998889]

約数ペア:

[(1, 198998889), (3, 66332963), (17, 11705817), (31, 6419319), (51, 3901939), (93, 2139773), (191, 1041879), (527, 377607), (573, 347293), (659, 301971), (1581, 125869), (1977, 100657), (3247, 61287), (5921, 33609), (9741, 20429), (11203, 17763)]