81242856

素因数分解:

$2^3\times 3^2\times {\mathrm{1128373}}^1$

素因数の和:1128385

約数の個数: 24

約数和(自身を含む): 220032930

約数和(自身を除く): 138790074

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 1128373, 2256746, 3385119, 4513492, 6770238, 9026984, 10155357, 13540476, 20310714, 27080952, 40621428, 81242856]

約数ペア:

[(1, 81242856), (2, 40621428), (3, 27080952), (4, 20310714), (6, 13540476), (8, 10155357), (9, 9026984), (12, 6770238), (18, 4513492), (24, 3385119), (36, 2256746), (72, 1128373)]