215684739

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{443}}^1\times {\mathrm{1151}}^1$

素因数の和:1647

約数の個数: 24

約数和(自身を含む): 319168512

約数和(自身を除く): 103483773

約数列:

[1, 3, 9, 47, 141, 423, 443, 1151, 1329, 3453, 3987, 10359, 20821, 54097, 62463, 162291, 187389, 486873, 509893, 1529679, 4589037, 23964971, 71894913, 215684739]

約数ペア:

[(1, 215684739), (3, 71894913), (9, 23964971), (47, 4589037), (141, 1529679), (423, 509893), (443, 486873), (1151, 187389), (1329, 162291), (3453, 62463), (3987, 54097), (10359, 20821)]