66404715

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{17923}}^1$

素因数の和:17963

約数の個数: 32

約数和(自身を含む): 120449280

約数和(自身を除く): 54044565

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 195, 247, 285, 741, 1235, 3705, 17923, 53769, 89615, 232999, 268845, 340537, 698997, 1021611, 1164995, 1702685, 3494985, 4426981, 5108055, 13280943, 22134905, 66404715]

約数ペア:

[(1, 66404715), (3, 22134905), (5, 13280943), (13, 5108055), (15, 4426981), (19, 3494985), (39, 1702685), (57, 1164995), (65, 1021611), (95, 698997), (195, 340537), (247, 268845), (285, 232999), (741, 89615), (1235, 53769), (3705, 17923)]