16980555

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{593}}^1$

素因数の和:707

約数の個数: 32

約数和(自身を含む): 28740096

約数和(自身を除く): 11759541

約数列:

[1, 3, 5, 15, 23, 69, 83, 115, 249, 345, 415, 593, 1245, 1779, 1909, 2965, 5727, 8895, 9545, 13639, 28635, 40917, 49219, 68195, 147657, 204585, 246095, 738285, 1132037, 3396111, 5660185, 16980555]

約数ペア:

[(1, 16980555), (3, 5660185), (5, 3396111), (15, 1132037), (23, 738285), (69, 246095), (83, 204585), (115, 147657), (249, 68195), (345, 49219), (415, 40917), (593, 28635), (1245, 13639), (1779, 9545), (1909, 8895), (2965, 5727)]