165428487

素因数分解:

$3^4\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2099}}^1$

素因数の和:2257

約数の個数: 40

約数和(自身を含む): 284592000

約数和(自身を除く): 119163513

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 139, 189, 417, 567, 973, 1251, 2099, 2919, 3753, 6297, 8757, 11259, 14693, 18891, 26271, 44079, 56673, 78813, 132237, 170019, 291761, 396711, 875283, 1190133, 2042327, 2625849, 6126981, 7877547, 18380943, 23632641, 55142829, 165428487]

約数ペア:

[(1, 165428487), (3, 55142829), (7, 23632641), (9, 18380943), (21, 7877547), (27, 6126981), (63, 2625849), (81, 2042327), (139, 1190133), (189, 875283), (417, 396711), (567, 291761), (973, 170019), (1251, 132237), (2099, 78813), (2919, 56673), (3753, 44079), (6297, 26271), (8757, 18891), (11259, 14693)]