68419827

素因数分解:

$3^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{3301}}^1$

素因数の和:3368

約数の個数: 36

約数和(自身を含む): 117445536

約数和(自身を除く): 49025709

約数列:

[1, 3, 7, 9, 21, 47, 49, 63, 141, 147, 329, 423, 441, 987, 2303, 2961, 3301, 6909, 9903, 20727, 23107, 29709, 69321, 155147, 161749, 207963, 465441, 485247, 1086029, 1396323, 1455741, 3258087, 7602203, 9774261, 22806609, 68419827]

約数ペア:

[(1, 68419827), (3, 22806609), (7, 9774261), (9, 7602203), (21, 3258087), (47, 1455741), (49, 1396323), (63, 1086029), (141, 485247), (147, 465441), (329, 207963), (423, 161749), (441, 155147), (987, 69321), (2303, 29709), (2961, 23107), (3301, 20727), (6909, 9903)]