1338255

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{431}}^1$

素因数の和:468

約数の個数: 32

約数和(自身を含む): 2488320

約数和(自身を除く): 1150065

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 115, 135, 207, 345, 431, 621, 1035, 1293, 2155, 3105, 3879, 6465, 9913, 11637, 19395, 29739, 49565, 58185, 89217, 148695, 267651, 446085, 1338255]

約数ペア:

[(1, 1338255), (3, 446085), (5, 267651), (9, 148695), (15, 89217), (23, 58185), (27, 49565), (45, 29739), (69, 19395), (115, 11637), (135, 9913), (207, 6465), (345, 3879), (431, 3105), (621, 2155), (1035, 1293)]