17516961

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1$

素因数の和:211

約数の個数: 72

約数和(自身を含む): 33718464

約数和(自身を除く): 16201503

約数列:

[1, 3, 7, 9, 11, 21, 23, 33, 49, 63, 69, 77, 99, 147, 157, 161, 207, 231, 253, 441, 471, 483, 539, 693, 759, 1099, 1127, 1413, 1449, 1617, 1727, 1771, 2277, 3297, 3381, 3611, 4851, 5181, 5313, 7693, 9891, 10143, 10833, 12089, 12397, 15543, 15939, 23079, 25277, 32499, 36267, 37191, 39721, 69237, 75831, 84623, 108801, 111573, 119163, 176939, 227493, 253869, 278047, 357489, 530817, 761607, 834141, 1592451, 1946329, 2502423, 5838987, 17516961]

約数ペア:

[(1, 17516961), (3, 5838987), (7, 2502423), (9, 1946329), (11, 1592451), (21, 834141), (23, 761607), (33, 530817), (49, 357489), (63, 278047), (69, 253869), (77, 227493), (99, 176939), (147, 119163), (157, 111573), (161, 108801), (207, 84623), (231, 75831), (253, 69237), (441, 39721), (471, 37191), (483, 36267), (539, 32499), (693, 25277), (759, 23079), (1099, 15939), (1127, 15543), (1413, 12397), (1449, 12089), (1617, 10833), (1727, 10143), (1771, 9891), (2277, 7693), (3297, 5313), (3381, 5181), (3611, 4851)]