68878719

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2273}}^1$

素因数の和:2336

約数の個数: 48

約数和(自身を含む): 125815872

約数和(自身を除く): 56937153

約数列:

[1, 3, 7, 9, 13, 21, 37, 39, 63, 91, 111, 117, 259, 273, 333, 481, 777, 819, 1443, 2273, 2331, 3367, 4329, 6819, 10101, 15911, 20457, 29549, 30303, 47733, 84101, 88647, 143199, 206843, 252303, 265941, 588707, 620529, 756909, 1093313, 1766121, 1861587, 3279939, 5298363, 7653191, 9839817, 22959573, 68878719]

約数ペア:

[(1, 68878719), (3, 22959573), (7, 9839817), (9, 7653191), (13, 5298363), (21, 3279939), (37, 1861587), (39, 1766121), (63, 1093313), (91, 756909), (111, 620529), (117, 588707), (259, 265941), (273, 252303), (333, 206843), (481, 143199), (777, 88647), (819, 84101), (1443, 47733), (2273, 30303), (2331, 29549), (3367, 20457), (4329, 15911), (6819, 10101)]