208482057

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{367}}^1$

素因数の和:578

約数の個数: 48

約数和(自身を含む): 352714752

約数和(自身を除く): 144232695

約数列:

[1, 3, 7, 9, 21, 63, 71, 127, 213, 367, 381, 497, 639, 889, 1101, 1143, 1491, 2569, 2667, 3303, 4473, 7707, 8001, 9017, 23121, 26057, 27051, 46609, 63119, 78171, 81153, 139827, 182399, 189357, 234513, 326263, 419481, 547197, 568071, 978789, 1641591, 2936367, 3309239, 9927717, 23164673, 29783151, 69494019, 208482057]

約数ペア:

[(1, 208482057), (3, 69494019), (7, 29783151), (9, 23164673), (21, 9927717), (63, 3309239), (71, 2936367), (127, 1641591), (213, 978789), (367, 568071), (381, 547197), (497, 419481), (639, 326263), (889, 234513), (1101, 189357), (1143, 182399), (1491, 139827), (2569, 81153), (2667, 78171), (3303, 63119), (4473, 46609), (7707, 27051), (8001, 26057), (9017, 23121)]