870824727

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:412

約数の個数: 48

約数和(自身を含む): 1310639616

約数和(自身を除く): 439814889

約数列:

[1, 3, 9, 71, 101, 103, 131, 213, 303, 309, 393, 639, 909, 927, 1179, 7171, 7313, 9301, 10403, 13231, 13493, 21513, 21939, 27903, 31209, 39693, 40479, 64539, 65817, 83709, 93627, 119079, 121437, 738613, 939401, 958003, 1362793, 2215839, 2818203, 2874009, 4088379, 6647517, 8454609, 8622027, 12265137, 96758303, 290274909, 870824727]

約数ペア:

[(1, 870824727), (3, 290274909), (9, 96758303), (71, 12265137), (101, 8622027), (103, 8454609), (131, 6647517), (213, 4088379), (303, 2874009), (309, 2818203), (393, 2215839), (639, 1362793), (909, 958003), (927, 939401), (1179, 738613), (7171, 121437), (7313, 119079), (9301, 93627), (10403, 83709), (13231, 65817), (13493, 64539), (21513, 40479), (21939, 39693), (27903, 31209)]