68387949

素因数分解:

$3^3\times 7^1\times {\mathrm{487}}^1\times {\mathrm{743}}^1$

素因数の和:1246

約数の個数: 32

約数和(自身を含む): 116183040

約数和(自身を除く): 47795091

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 487, 743, 1461, 2229, 3409, 4383, 5201, 6687, 10227, 13149, 15603, 20061, 30681, 46809, 92043, 140427, 361841, 1085523, 2532887, 3256569, 7598661, 9769707, 22795983, 68387949]

約数ペア:

[(1, 68387949), (3, 22795983), (7, 9769707), (9, 7598661), (21, 3256569), (27, 2532887), (63, 1085523), (189, 361841), (487, 140427), (743, 92043), (1461, 46809), (2229, 30681), (3409, 20061), (4383, 15603), (5201, 13149), (6687, 10227)]