68279841

素因数分解:

$3^5\times 7^1\times {\mathrm{137}}^1\times {\mathrm{293}}^1$

素因数の和:452

約数の個数: 48

約数和(自身を含む): 118145664

約数和(自身を除く): 49865823

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 137, 189, 243, 293, 411, 567, 879, 959, 1233, 1701, 2051, 2637, 2877, 3699, 6153, 7911, 8631, 11097, 18459, 23733, 25893, 33291, 40141, 55377, 71199, 77679, 120423, 166131, 233037, 280987, 361269, 498393, 842961, 1083807, 2528883, 3251421, 7586649, 9754263, 22759947, 68279841]

約数ペア:

[(1, 68279841), (3, 22759947), (7, 9754263), (9, 7586649), (21, 3251421), (27, 2528883), (63, 1083807), (81, 842961), (137, 498393), (189, 361269), (243, 280987), (293, 233037), (411, 166131), (567, 120423), (879, 77679), (959, 71199), (1233, 55377), (1701, 40141), (2051, 33291), (2637, 25893), (2877, 23733), (3699, 18459), (6153, 11097), (7911, 8631)]