81217332

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{3191}}^1$

素因数の和:3309

約数の個数: 72

約数和(自身を含む): 237025152

約数和(自身を除く): 155807820

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 101, 126, 202, 252, 303, 404, 606, 707, 909, 1212, 1414, 1818, 2121, 2828, 3191, 3636, 4242, 6363, 6382, 8484, 9573, 12726, 12764, 19146, 22337, 25452, 28719, 38292, 44674, 57438, 67011, 89348, 114876, 134022, 201033, 268044, 322291, 402066, 644582, 804132, 966873, 1289164, 1933746, 2256037, 2900619, 3867492, 4512074, 5801238, 6768111, 9024148, 11602476, 13536222, 20304333, 27072444, 40608666, 81217332]

約数ペア:

[(1, 81217332), (2, 40608666), (3, 27072444), (4, 20304333), (6, 13536222), (7, 11602476), (9, 9024148), (12, 6768111), (14, 5801238), (18, 4512074), (21, 3867492), (28, 2900619), (36, 2256037), (42, 1933746), (63, 1289164), (84, 966873), (101, 804132), (126, 644582), (202, 402066), (252, 322291), (303, 268044), (404, 201033), (606, 134022), (707, 114876), (909, 89348), (1212, 67011), (1414, 57438), (1818, 44674), (2121, 38292), (2828, 28719), (3191, 25452), (3636, 22337), (4242, 19146), (6363, 12764), (6382, 12726), (8484, 9573)]