201720585

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1$

素因数の和:414

約数の個数: 64

約数和(自身を含む): 363792384

約数和(自身を除く): 162071799

約数列:

[1, 3, 5, 11, 15, 33, 55, 67, 71, 165, 201, 213, 257, 335, 355, 737, 771, 781, 1005, 1065, 1285, 2211, 2343, 2827, 3685, 3855, 3905, 4757, 8481, 11055, 11715, 14135, 14271, 17219, 18247, 23785, 42405, 51657, 52327, 54741, 71355, 86095, 91235, 156981, 189409, 200717, 258285, 261635, 273705, 568227, 602151, 784905, 947045, 1003585, 1222549, 2841135, 3010755, 3667647, 6112745, 13448039, 18338235, 40344117, 67240195, 201720585]

約数ペア:

[(1, 201720585), (3, 67240195), (5, 40344117), (11, 18338235), (15, 13448039), (33, 6112745), (55, 3667647), (67, 3010755), (71, 2841135), (165, 1222549), (201, 1003585), (213, 947045), (257, 784905), (335, 602151), (355, 568227), (737, 273705), (771, 261635), (781, 258285), (1005, 200717), (1065, 189409), (1285, 156981), (2211, 91235), (2343, 86095), (2827, 71355), (3685, 54741), (3855, 52327), (3905, 51657), (4757, 42405), (8481, 23785), (11055, 18247), (11715, 17219), (14135, 14271)]