247935195

素因数分解:

$3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{25867}}^1$

素因数の和:25952

約数の個数: 32

約数和(自身を含む): 446999040

約数和(自身を除く): 199063845

約数列:

[1, 3, 5, 9, 15, 27, 45, 71, 135, 213, 355, 639, 1065, 1917, 3195, 9585, 25867, 77601, 129335, 232803, 388005, 698409, 1164015, 1836557, 3492045, 5509671, 9182785, 16529013, 27548355, 49587039, 82645065, 247935195]

約数ペア:

[(1, 247935195), (3, 82645065), (5, 49587039), (9, 27548355), (15, 16529013), (27, 9182785), (45, 5509671), (71, 3492045), (135, 1836557), (213, 1164015), (355, 698409), (639, 388005), (1065, 232803), (1917, 129335), (3195, 77601), (9585, 25867)]