1648219293

素因数分解:

$3^3\times 7^1\times {\mathrm{461}}^1\times {\mathrm{18917}}^1$

素因数の和:19394

約数の個数: 32

約数和(自身を含む): 2796837120

約数和(自身を除く): 1148617827

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 461, 1383, 3227, 4149, 9681, 12447, 18917, 29043, 56751, 87129, 132419, 170253, 397257, 510759, 1191771, 3575313, 8720737, 26162211, 61045159, 78486633, 183135477, 235459899, 549406431, 1648219293]

約数ペア:

[(1, 1648219293), (3, 549406431), (7, 235459899), (9, 183135477), (21, 78486633), (27, 61045159), (63, 26162211), (189, 8720737), (461, 3575313), (1383, 1191771), (3227, 510759), (4149, 397257), (9681, 170253), (12447, 132419), (18917, 87129), (29043, 56751)]