68779223919

素因数分解:

$3^2\times 7^2\times {\mathrm{1777}}^1\times {\mathrm{87767}}^1$

素因数の和:89564

約数の個数: 36

約数和(自身を含む): 115634164464

約数和(自身を除く): 46854940545

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 1777, 5331, 12439, 15993, 37317, 87073, 87767, 111951, 261219, 263301, 614369, 783657, 789903, 1843107, 4300583, 5529321, 12901749, 38705247, 155961959, 467885877, 1091733713, 1403657631, 3275201139, 7642135991, 9825603417, 22926407973, 68779223919]

約数ペア:

[(1, 68779223919), (3, 22926407973), (7, 9825603417), (9, 7642135991), (21, 3275201139), (49, 1403657631), (63, 1091733713), (147, 467885877), (441, 155961959), (1777, 38705247), (5331, 12901749), (12439, 5529321), (15993, 4300583), (37317, 1843107), (87073, 789903), (87767, 783657), (111951, 614369), (261219, 263301)]