201517449

素因数分解:

$3^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{211}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 321917760

約数和(自身を除く): 120400311

約数列:

[1, 3, 7, 21, 49, 73, 89, 147, 211, 219, 267, 511, 623, 633, 1477, 1533, 1869, 3577, 4361, 4431, 6497, 10339, 10731, 13083, 15403, 18779, 19491, 31017, 45479, 46209, 56337, 107821, 131453, 136437, 318353, 323463, 394359, 754747, 920171, 955059, 1370867, 2264241, 2760513, 4112601, 9596069, 28788207, 67172483, 201517449]

約数ペア:

[(1, 201517449), (3, 67172483), (7, 28788207), (21, 9596069), (49, 4112601), (73, 2760513), (89, 2264241), (147, 1370867), (211, 955059), (219, 920171), (267, 754747), (511, 394359), (623, 323463), (633, 318353), (1477, 136437), (1533, 131453), (1869, 107821), (3577, 56337), (4361, 46209), (4431, 45479), (6497, 31017), (10339, 19491), (10731, 18779), (13083, 15403)]