138680577

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{4177}}^1$

素因数の和:4238

約数の個数: 48

約数和(自身を含む): 250278912

約数和(自身を除く): 111598335

約数列:

[1, 3, 7, 9, 17, 21, 31, 51, 63, 93, 119, 153, 217, 279, 357, 527, 651, 1071, 1581, 1953, 3689, 4177, 4743, 11067, 12531, 29239, 33201, 37593, 71009, 87717, 129487, 213027, 263151, 388461, 497063, 639081, 906409, 1165383, 1491189, 2201279, 2719227, 4473567, 6603837, 8157681, 15408953, 19811511, 46226859, 138680577]

約数ペア:

[(1, 138680577), (3, 46226859), (7, 19811511), (9, 15408953), (17, 8157681), (21, 6603837), (31, 4473567), (51, 2719227), (63, 2201279), (93, 1491189), (119, 1165383), (153, 906409), (217, 639081), (279, 497063), (357, 388461), (527, 263151), (651, 213027), (1071, 129487), (1581, 87717), (1953, 71009), (3689, 37593), (4177, 33201), (4743, 29239), (11067, 12531)]