71898729

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{28771}}^1$

素因数の和:28805

約数の個数: 24

約数和(自身を含む): 118080288

約数和(自身を除く): 46181559

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 357, 833, 2499, 28771, 86313, 201397, 489107, 604191, 1409779, 1467321, 3423749, 4229337, 10271247, 23966243, 71898729]

約数ペア:

[(1, 71898729), (3, 23966243), (7, 10271247), (17, 4229337), (21, 3423749), (49, 1467321), (51, 1409779), (119, 604191), (147, 489107), (357, 201397), (833, 86313), (2499, 28771)]