81305541

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{2917}}^1$

素因数の和:3105

約数の個数: 24

約数和(自身を含む): 124423520

約数和(自身を除く): 43117979

約数列:

[1, 3, 9, 19, 57, 163, 171, 489, 1467, 2917, 3097, 8751, 9291, 26253, 27873, 55423, 166269, 475471, 498807, 1426413, 4279239, 9033949, 27101847, 81305541]

約数ペア:

[(1, 81305541), (3, 27101847), (9, 9033949), (19, 4279239), (57, 1426413), (163, 498807), (171, 475471), (489, 166269), (1467, 55423), (2917, 27873), (3097, 26253), (8751, 9291)]