72981879

素因数分解:

$3^1\times {\mathrm{43}}^2\times {\mathrm{59}}^1\times {\mathrm{223}}^1$

素因数の和:371

約数の個数: 24

約数和(自身を含む): 101767680

約数和(自身を除く): 28785801

約数列:

[1, 3, 43, 59, 129, 177, 223, 669, 1849, 2537, 5547, 7611, 9589, 13157, 28767, 39471, 109091, 327273, 412327, 565751, 1236981, 1697253, 24327293, 72981879]

約数ペア:

[(1, 72981879), (3, 24327293), (43, 1697253), (59, 1236981), (129, 565751), (177, 412327), (223, 327273), (669, 109091), (1849, 39471), (2537, 28767), (5547, 13157), (7611, 9589)]