1386279

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1$

素因数の和:247

約数の個数: 24

約数和(自身を含む): 2157792

約数和(自身を除く): 771513

約数列:

[1, 3, 9, 23, 37, 69, 111, 181, 207, 333, 543, 851, 1629, 2553, 4163, 6697, 7659, 12489, 20091, 37467, 60273, 154031, 462093, 1386279]

約数ペア:

[(1, 1386279), (3, 462093), (9, 154031), (23, 60273), (37, 37467), (69, 20091), (111, 12489), (181, 7659), (207, 6697), (333, 4163), (543, 2553), (851, 1629)]