68828535

素因数分解:

$3^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{821}}^1$

素因数の和:867

約数の個数: 56

約数和(自身を含む): 129376224

約数和(自身を除く): 60547689

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 81, 115, 135, 207, 243, 345, 405, 621, 729, 821, 1035, 1215, 1863, 2463, 3105, 3645, 4105, 5589, 7389, 9315, 12315, 16767, 18883, 22167, 27945, 36945, 56649, 66501, 83835, 94415, 110835, 169947, 199503, 283245, 332505, 509841, 598509, 849735, 997515, 1529523, 2549205, 2992545, 4588569, 7647615, 13765707, 22942845, 68828535]

約数ペア:

[(1, 68828535), (3, 22942845), (5, 13765707), (9, 7647615), (15, 4588569), (23, 2992545), (27, 2549205), (45, 1529523), (69, 997515), (81, 849735), (115, 598509), (135, 509841), (207, 332505), (243, 283245), (345, 199503), (405, 169947), (621, 110835), (729, 94415), (821, 83835), (1035, 66501), (1215, 56649), (1863, 36945), (2463, 27945), (3105, 22167), (3645, 18883), (4105, 16767), (5589, 12315), (7389, 9315)]