83999745

素因数分解:

$3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{431}}^1$

素因数の和:574

約数の個数: 48

約数和(自身を含む): 150418944

約数和(自身を除く): 66419199

約数列:

[1, 3, 5, 9, 15, 45, 61, 71, 183, 213, 305, 355, 431, 549, 639, 915, 1065, 1293, 2155, 2745, 3195, 3879, 4331, 6465, 12993, 19395, 21655, 26291, 30601, 38979, 64965, 78873, 91803, 131455, 153005, 194895, 236619, 275409, 394365, 459015, 1183095, 1377045, 1866661, 5599983, 9333305, 16799949, 27999915, 83999745]

約数ペア:

[(1, 83999745), (3, 27999915), (5, 16799949), (9, 9333305), (15, 5599983), (45, 1866661), (61, 1377045), (71, 1183095), (183, 459015), (213, 394365), (305, 275409), (355, 236619), (431, 194895), (549, 153005), (639, 131455), (915, 91803), (1065, 78873), (1293, 64965), (2155, 38979), (2745, 30601), (3195, 26291), (3879, 21655), (4331, 19395), (6465, 12993)]