221569803

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2909}}^1$

素因数の和:2969

約数の個数: 64

約数和(自身を含む): 417177600

約数和(自身を除く): 195607797

約数列:

[1, 3, 7, 9, 13, 21, 27, 31, 39, 63, 91, 93, 117, 189, 217, 273, 279, 351, 403, 651, 819, 837, 1209, 1953, 2457, 2821, 2909, 3627, 5859, 8463, 8727, 10881, 20363, 25389, 26181, 37817, 61089, 76167, 78543, 90179, 113451, 183267, 264719, 270537, 340353, 549801, 631253, 794157, 811611, 1021059, 1172327, 1893759, 2382471, 2434833, 3516981, 5681277, 7147413, 8206289, 10550943, 17043831, 24618867, 31652829, 73856601, 221569803]

約数ペア:

[(1, 221569803), (3, 73856601), (7, 31652829), (9, 24618867), (13, 17043831), (21, 10550943), (27, 8206289), (31, 7147413), (39, 5681277), (63, 3516981), (91, 2434833), (93, 2382471), (117, 1893759), (189, 1172327), (217, 1021059), (273, 811611), (279, 794157), (351, 631253), (403, 549801), (651, 340353), (819, 270537), (837, 264719), (1209, 183267), (1953, 113451), (2457, 90179), (2821, 78543), (2909, 76167), (3627, 61089), (5859, 37817), (8463, 26181), (8727, 25389), (10881, 20363)]