3125871

素因数分解:

$3^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1$

素因数の和:205

約数の個数: 40

約数和(自身を含む): 5517600

約数和(自身を除く): 2391729

約数列:

[1, 3, 7, 9, 21, 27, 37, 63, 81, 111, 149, 189, 259, 333, 447, 567, 777, 999, 1043, 1341, 2331, 2997, 3129, 4023, 5513, 6993, 9387, 12069, 16539, 20979, 28161, 38591, 49617, 84483, 115773, 148851, 347319, 446553, 1041957, 3125871]

約数ペア:

[(1, 3125871), (3, 1041957), (7, 446553), (9, 347319), (21, 148851), (27, 115773), (37, 84483), (63, 49617), (81, 38591), (111, 28161), (149, 20979), (189, 16539), (259, 12069), (333, 9387), (447, 6993), (567, 5513), (777, 4023), (999, 3129), (1043, 2997), (1341, 2331)]