16245873

素因数分解:

$3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1999}}^1$

素因数の和:2058

約数の個数: 32

約数和(自身を含む): 28160000

約数和(自身を除く): 11914127

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 129, 189, 301, 387, 903, 1161, 1999, 2709, 5997, 8127, 13993, 17991, 41979, 53973, 85957, 125937, 257871, 377811, 601699, 773613, 1805097, 2320839, 5415291, 16245873]

約数ペア:

[(1, 16245873), (3, 5415291), (7, 2320839), (9, 1805097), (21, 773613), (27, 601699), (43, 377811), (63, 257871), (129, 125937), (189, 85957), (301, 53973), (387, 41979), (903, 17991), (1161, 13993), (1999, 8127), (2709, 5997)]