81844665

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{2539}}^1$

素因数の和:2861

約数の個数: 32

約数和(自身を含む): 150205440

約数和(自身を除く): 68360775

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 307, 921, 1535, 2149, 2539, 4605, 6447, 7617, 10745, 12695, 17773, 32235, 38085, 53319, 88865, 266595, 779473, 2338419, 3897365, 5456311, 11692095, 16368933, 27281555, 81844665]

約数ペア:

[(1, 81844665), (3, 27281555), (5, 16368933), (7, 11692095), (15, 5456311), (21, 3897365), (35, 2338419), (105, 779473), (307, 266595), (921, 88865), (1535, 53319), (2149, 38085), (2539, 32235), (4605, 17773), (6447, 12695), (7617, 10745)]