209595267

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{1289}}^1$

素因数の和:1420

約数の個数: 48

約数和(自身を含む): 362232000

約数和(自身を除く): 152636733

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 89, 203, 261, 267, 609, 623, 801, 1289, 1827, 1869, 2581, 3867, 5607, 7743, 9023, 11601, 18067, 23229, 27069, 37381, 54201, 81207, 112143, 114721, 162603, 261667, 336429, 344163, 785001, 803047, 1032489, 2355003, 2409141, 3326909, 7227423, 9980727, 23288363, 29942181, 69865089, 209595267]

約数ペア:

[(1, 209595267), (3, 69865089), (7, 29942181), (9, 23288363), (21, 9980727), (29, 7227423), (63, 3326909), (87, 2409141), (89, 2355003), (203, 1032489), (261, 803047), (267, 785001), (609, 344163), (623, 336429), (801, 261667), (1289, 162603), (1827, 114721), (1869, 112143), (2581, 81207), (3867, 54201), (5607, 37381), (7743, 27069), (9023, 23229), (11601, 18067)]