287841213

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{2617}}^1$

素因数の和:2746

約数の個数: 36

約数和(自身を含む): 461705244

約数和(自身を除く): 173864031

約数列:

[1, 3, 9, 11, 33, 99, 101, 121, 303, 363, 909, 1089, 1111, 2617, 3333, 7851, 9999, 12221, 23553, 28787, 36663, 86361, 109989, 259083, 264317, 316657, 792951, 949971, 2378853, 2849913, 2907487, 8722461, 26167383, 31982357, 95947071, 287841213]

約数ペア:

[(1, 287841213), (3, 95947071), (9, 31982357), (11, 26167383), (33, 8722461), (99, 2907487), (101, 2849913), (121, 2378853), (303, 949971), (363, 792951), (909, 316657), (1089, 264317), (1111, 259083), (2617, 109989), (3333, 86361), (7851, 36663), (9999, 28787), (12221, 23553)]