78866109

素因数分解:

$3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{14389}}^1$

素因数の和:14434

約数の個数: 32

約数和(自身を含む): 138144000

約数和(自身を除く): 59277891

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 87, 189, 203, 261, 609, 783, 1827, 5481, 14389, 43167, 100723, 129501, 302169, 388503, 417281, 906507, 1251843, 2719521, 2920967, 3755529, 8762901, 11266587, 26288703, 78866109]

約数ペア:

[(1, 78866109), (3, 26288703), (7, 11266587), (9, 8762901), (21, 3755529), (27, 2920967), (29, 2719521), (63, 1251843), (87, 906507), (189, 417281), (203, 388503), (261, 302169), (609, 129501), (783, 100723), (1827, 43167), (5481, 14389)]