16551801

素因数分解:

$3^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:206

約数の個数: 48

約数和(自身を含む): 28629120

約数和(自身を除く): 12077319

約数列:

[1, 3, 7, 9, 21, 59, 61, 63, 73, 177, 183, 219, 413, 427, 511, 531, 549, 657, 1239, 1281, 1533, 3599, 3717, 3843, 4307, 4453, 4599, 10797, 12921, 13359, 25193, 30149, 31171, 32391, 38763, 40077, 75579, 90447, 93513, 226737, 262727, 271341, 280539, 788181, 1839089, 2364543, 5517267, 16551801]

約数ペア:

[(1, 16551801), (3, 5517267), (7, 2364543), (9, 1839089), (21, 788181), (59, 280539), (61, 271341), (63, 262727), (73, 226737), (177, 93513), (183, 90447), (219, 75579), (413, 40077), (427, 38763), (511, 32391), (531, 31171), (549, 30149), (657, 25193), (1239, 13359), (1281, 12921), (1533, 10797), (3599, 4599), (3717, 4453), (3843, 4307)]