217569919539

素因数分解:

$3^1\times 7^1\times {\mathrm{1427}}^1\times {\mathrm{2131}}^1\times {\mathrm{3407}}^1$

素因数の和:6975

約数の個数: 32

約数和(自身を含む): 332020555776

約数和(自身を除く): 114450636237

約数列:

[1, 3, 7, 21, 1427, 2131, 3407, 4281, 6393, 9989, 10221, 14917, 23849, 29967, 44751, 71547, 3040937, 4861789, 7260317, 9122811, 14585367, 21286559, 21780951, 34032523, 50822219, 63859677, 102097569, 152466657, 10360472359, 31081417077, 72523306513, 217569919539]

約数ペア:

[(1, 217569919539), (3, 72523306513), (7, 31081417077), (21, 10360472359), (1427, 152466657), (2131, 102097569), (3407, 63859677), (4281, 50822219), (6393, 34032523), (9989, 21780951), (10221, 21286559), (14917, 14585367), (23849, 9122811), (29967, 7260317), (44751, 4861789), (71547, 3040937)]