4405905

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:286

約数の個数: 48

約数和(自身を含む): 8895744

約数和(自身を除く): 4489839

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 71, 105, 197, 213, 315, 355, 497, 591, 639, 985, 1065, 1379, 1491, 1773, 2485, 2955, 3195, 4137, 4473, 6895, 7455, 8865, 12411, 13987, 20685, 22365, 41961, 62055, 69935, 97909, 125883, 209805, 293727, 489545, 629415, 881181, 1468635, 4405905]

約数ペア:

[(1, 4405905), (3, 1468635), (5, 881181), (7, 629415), (9, 489545), (15, 293727), (21, 209805), (35, 125883), (45, 97909), (63, 69935), (71, 62055), (105, 41961), (197, 22365), (213, 20685), (315, 13987), (355, 12411), (497, 8865), (591, 7455), (639, 6895), (985, 4473), (1065, 4137), (1379, 3195), (1491, 2955), (1773, 2485)]