78813021

素因数分解:

$3^1\times 7^2\times {\mathrm{461}}^1\times {\mathrm{1163}}^1$

素因数の和:1641

約数の個数: 24

約数和(自身を含む): 122611104

約数和(自身を除く): 43798083

約数列:

[1, 3, 7, 21, 49, 147, 461, 1163, 1383, 3227, 3489, 8141, 9681, 22589, 24423, 56987, 67767, 170961, 536143, 1608429, 3753001, 11259003, 26271007, 78813021]

約数ペア:

[(1, 78813021), (3, 26271007), (7, 11259003), (21, 3753001), (49, 1608429), (147, 536143), (461, 170961), (1163, 67767), (1383, 56987), (3227, 24423), (3489, 22589), (8141, 9681)]