18080703

素因数分解:

$3^2\times {\mathrm{97}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:391

約数の個数: 24

約数和(自身を含む): 26754000

約数和(自身を除く): 8673297

約数列:

[1, 3, 9, 97, 139, 149, 291, 417, 447, 873, 1251, 1341, 13483, 14453, 20711, 40449, 43359, 62133, 121347, 130077, 186399, 2008967, 6026901, 18080703]

約数ペア:

[(1, 18080703), (3, 6026901), (9, 2008967), (97, 186399), (139, 130077), (149, 121347), (291, 62133), (417, 43359), (447, 40449), (873, 20711), (1251, 14453), (1341, 13483)]