203900907

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{587}}^1$

素因数の和:760

約数の個数: 48

約数和(自身を含む): 337841280

約数和(自身を除く): 133940373

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 139, 147, 357, 417, 587, 833, 973, 1761, 2363, 2499, 2919, 4109, 6811, 7089, 9979, 12327, 16541, 20433, 28763, 29937, 49623, 69853, 81593, 86289, 115787, 209559, 244779, 347361, 488971, 571151, 1387081, 1466913, 1713453, 3998057, 4161243, 9709567, 11994171, 29128701, 67966969, 203900907]

約数ペア:

[(1, 203900907), (3, 67966969), (7, 29128701), (17, 11994171), (21, 9709567), (49, 4161243), (51, 3998057), (119, 1713453), (139, 1466913), (147, 1387081), (357, 571151), (417, 488971), (587, 347361), (833, 244779), (973, 209559), (1761, 115787), (2363, 86289), (2499, 81593), (2919, 69853), (4109, 49623), (6811, 29937), (7089, 28763), (9979, 20433), (12327, 16541)]