68878211247

素因数分解:

$3^8\times {\mathrm{19}}^1\times {\mathrm{673}}^1\times {\mathrm{821}}^1$

素因数の和:1537

約数の個数: 72

約数和(自身を含む): 109043790960

約数和(自身を除く): 40165579713

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 243, 513, 673, 729, 821, 1539, 2019, 2187, 2463, 4617, 6057, 6561, 7389, 12787, 13851, 15599, 18171, 22167, 38361, 41553, 46797, 54513, 66501, 115083, 124659, 140391, 163539, 199503, 345249, 421173, 490617, 552533, 598509, 1035747, 1263519, 1471851, 1657599, 1795527, 3107241, 3790557, 4415553, 4972797, 5386581, 9321723, 10498127, 11371671, 14918391, 27965169, 31494381, 34115013, 44755173, 83895507, 94483143, 102345039, 134265519, 283449429, 402796557, 850348287, 1208389671, 2551044861, 3625169013, 7653134583, 22959403749, 68878211247]

約数ペア:

[(1, 68878211247), (3, 22959403749), (9, 7653134583), (19, 3625169013), (27, 2551044861), (57, 1208389671), (81, 850348287), (171, 402796557), (243, 283449429), (513, 134265519), (673, 102345039), (729, 94483143), (821, 83895507), (1539, 44755173), (2019, 34115013), (2187, 31494381), (2463, 27965169), (4617, 14918391), (6057, 11371671), (6561, 10498127), (7389, 9321723), (12787, 5386581), (13851, 4972797), (15599, 4415553), (18171, 3790557), (22167, 3107241), (38361, 1795527), (41553, 1657599), (46797, 1471851), (54513, 1263519), (66501, 1035747), (115083, 598509), (124659, 552533), (140391, 490617), (163539, 421173), (199503, 345249)]