66975993

素因数分解:

$3^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{5237}}^1$

素因数の和:5286

約数の個数: 36

約数和(自身を含む): 116440740

約数和(自身を除く): 49464747

約数列:

[1, 3, 7, 9, 21, 29, 49, 63, 87, 147, 203, 261, 441, 609, 1421, 1827, 4263, 5237, 12789, 15711, 36659, 47133, 109977, 151873, 256613, 329931, 455619, 769839, 1063111, 1366857, 2309517, 3189333, 7441777, 9567999, 22325331, 66975993]

約数ペア:

[(1, 66975993), (3, 22325331), (7, 9567999), (9, 7441777), (21, 3189333), (29, 2309517), (49, 1366857), (63, 1063111), (87, 769839), (147, 455619), (203, 329931), (261, 256613), (441, 151873), (609, 109977), (1421, 47133), (1827, 36659), (4263, 15711), (5237, 12789)]