16805295

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1249}}^1$

素因数の和:1296

約数の個数: 48

約数和(自身を含む): 32760000

約数和(自身を除く): 15954705

約数列:

[1, 3, 5, 9, 13, 15, 23, 39, 45, 65, 69, 115, 117, 195, 207, 299, 345, 585, 897, 1035, 1249, 1495, 2691, 3747, 4485, 6245, 11241, 13455, 16237, 18735, 28727, 48711, 56205, 81185, 86181, 143635, 146133, 243555, 258543, 373451, 430905, 730665, 1120353, 1292715, 1867255, 3361059, 5601765, 16805295]

約数ペア:

[(1, 16805295), (3, 5601765), (5, 3361059), (9, 1867255), (13, 1292715), (15, 1120353), (23, 730665), (39, 430905), (45, 373451), (65, 258543), (69, 243555), (115, 146133), (117, 143635), (195, 86181), (207, 81185), (299, 56205), (345, 48711), (585, 28727), (897, 18735), (1035, 16237), (1249, 13455), (1495, 11241), (2691, 6245), (3747, 4485)]