138202281

素因数分解:

$3^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{3433}}^1$

素因数の和:3523

約数の個数: 40

約数和(自身を含む): 239336064

約数和(自身を除く): 101133783

約数列:

[1, 3, 7, 9, 21, 27, 63, 71, 81, 189, 213, 497, 567, 639, 1491, 1917, 3433, 4473, 5751, 10299, 13419, 24031, 30897, 40257, 72093, 92691, 216279, 243743, 278073, 648837, 731229, 1706201, 1946511, 2193687, 5118603, 6581061, 15355809, 19743183, 46067427, 138202281]

約数ペア:

[(1, 138202281), (3, 46067427), (7, 19743183), (9, 15355809), (21, 6581061), (27, 5118603), (63, 2193687), (71, 1946511), (81, 1706201), (189, 731229), (213, 648837), (497, 278073), (567, 243743), (639, 216279), (1491, 92691), (1917, 72093), (3433, 40257), (4473, 30897), (5751, 24031), (10299, 13419)]