208038873

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{1609}}^1$

素因数の和:1797

約数の個数: 32

約数和(自身を含む): 326430720

約数和(自身を除く): 118391847

約数列:

[1, 3, 7, 21, 47, 131, 141, 329, 393, 917, 987, 1609, 2751, 4827, 6157, 11263, 18471, 33789, 43099, 75623, 129297, 210779, 226869, 529361, 632337, 1475453, 1588083, 4426359, 9906613, 29719839, 69346291, 208038873]

約数ペア:

[(1, 208038873), (3, 69346291), (7, 29719839), (21, 9906613), (47, 4426359), (131, 1588083), (141, 1475453), (329, 632337), (393, 529361), (917, 226869), (987, 210779), (1609, 129297), (2751, 75623), (4827, 43099), (6157, 33789), (11263, 18471)]