156507561

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{631}}^1$

素因数の和:802

約数の個数: 48

約数和(自身を含む): 269221888

約数和(自身を除く): 112714327

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 127, 217, 279, 381, 631, 651, 889, 1143, 1893, 1953, 2667, 3937, 4417, 5679, 8001, 11811, 13251, 19561, 27559, 35433, 39753, 58683, 80137, 82677, 136927, 176049, 240411, 248031, 410781, 560959, 721233, 1232343, 1682877, 2484247, 5048631, 7452741, 17389729, 22358223, 52169187, 156507561]

約数ペア:

[(1, 156507561), (3, 52169187), (7, 22358223), (9, 17389729), (21, 7452741), (31, 5048631), (63, 2484247), (93, 1682877), (127, 1232343), (217, 721233), (279, 560959), (381, 410781), (631, 248031), (651, 240411), (889, 176049), (1143, 136927), (1893, 82677), (1953, 80137), (2667, 58683), (3937, 39753), (4417, 35433), (5679, 27559), (8001, 19561), (11811, 13251)]