71988399

素因数分解:

$3^3\times 7^2\times {\mathrm{54413}}^1$

素因数の和:54436

約数の個数: 24

約数和(自身を含む): 124063920

約数和(自身を除く): 52075521

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 54413, 163239, 380891, 489717, 1142673, 1469151, 2666237, 3428019, 7998711, 10284057, 23996133, 71988399]

約数ペア:

[(1, 71988399), (3, 23996133), (7, 10284057), (9, 7998711), (21, 3428019), (27, 2666237), (49, 1469151), (63, 1142673), (147, 489717), (189, 380891), (441, 163239), (1323, 54413)]