25315563

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1973}}^1$

素因数の和:2043

約数の個数: 32

約数和(自身を含む): 42448896

約数和(自身を除く): 17133333

約数列:

[1, 3, 7, 13, 21, 39, 47, 91, 141, 273, 329, 611, 987, 1833, 1973, 4277, 5919, 12831, 13811, 25649, 41433, 76947, 92731, 179543, 278193, 538629, 649117, 1205503, 1947351, 3616509, 8438521, 25315563]

約数ペア:

[(1, 25315563), (3, 8438521), (7, 3616509), (13, 1947351), (21, 1205503), (39, 649117), (47, 538629), (91, 278193), (141, 179543), (273, 92731), (329, 76947), (611, 41433), (987, 25649), (1833, 13811), (1973, 12831), (4277, 5919)]