123215823

素因数分解:

$3^5\times {\mathrm{257}}^1\times {\mathrm{1973}}^1$

素因数の和:2245

約数の個数: 24

約数和(自身を含む): 185382288

約数和(自身を除く): 62166465

約数列:

[1, 3, 9, 27, 81, 243, 257, 771, 1973, 2313, 5919, 6939, 17757, 20817, 53271, 62451, 159813, 479439, 507061, 1521183, 4563549, 13690647, 41071941, 123215823]

約数ペア:

[(1, 123215823), (3, 41071941), (9, 13690647), (27, 4563549), (81, 1521183), (243, 507061), (257, 479439), (771, 159813), (1973, 62451), (2313, 53271), (5919, 20817), (6939, 17757)]