68221377

素因数分解:

$3^2\times 7^2\times {\mathrm{37}}^2\times {\mathrm{113}}^1$

素因数の和:207

約数の個数: 54

約数和(自身を含む): 118854918

約数和(自身を除く): 50633541

約数列:

[1, 3, 7, 9, 21, 37, 49, 63, 111, 113, 147, 259, 333, 339, 441, 777, 791, 1017, 1369, 1813, 2331, 2373, 4107, 4181, 5439, 5537, 7119, 9583, 12321, 12543, 16317, 16611, 28749, 29267, 37629, 49833, 67081, 86247, 87801, 154697, 201243, 204869, 263403, 464091, 603729, 614607, 1082879, 1392273, 1843821, 3248637, 7580153, 9745911, 22740459, 68221377]

約数ペア:

[(1, 68221377), (3, 22740459), (7, 9745911), (9, 7580153), (21, 3248637), (37, 1843821), (49, 1392273), (63, 1082879), (111, 614607), (113, 603729), (147, 464091), (259, 263403), (333, 204869), (339, 201243), (441, 154697), (777, 87801), (791, 86247), (1017, 67081), (1369, 49833), (1813, 37629), (2331, 29267), (2373, 28749), (4107, 16611), (4181, 16317), (5439, 12543), (5537, 12321), (7119, 9583)]