81723747

素因数分解:

$3^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{34439}}^1$

素因数の和:34562

約数の個数: 16

約数和(自身を含む): 125637120

約数和(自身を除く): 43913373

約数列:

[1, 3, 7, 21, 113, 339, 791, 2373, 34439, 103317, 241073, 723219, 3891607, 11674821, 27241249, 81723747]

約数ペア:

[(1, 81723747), (3, 27241249), (7, 11674821), (21, 3891607), (113, 723219), (339, 241073), (791, 103317), (2373, 34439)]