156885309

素因数分解:

$3^3\times 7^2\times {\mathrm{118583}}^1$

素因数の和:118606

約数の個数: 24

約数和(自身を含む): 270371520

約数和(自身を除く): 113486211

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 118583, 355749, 830081, 1067247, 2490243, 3201741, 5810567, 7470729, 17431701, 22412187, 52295103, 156885309]

約数ペア:

[(1, 156885309), (3, 52295103), (7, 22412187), (9, 17431701), (21, 7470729), (27, 5810567), (49, 3201741), (63, 2490243), (147, 1067247), (189, 830081), (441, 355749), (1323, 118583)]