201727515

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{191}}^1$

素因数の和:420

約数の個数: 64

約数和(自身を含む): 365617152

約数和(自身を除く): 163889637

約数列:

[1, 3, 5, 11, 15, 33, 37, 55, 111, 165, 173, 185, 191, 407, 519, 555, 573, 865, 955, 1221, 1903, 2035, 2101, 2595, 2865, 5709, 6105, 6303, 6401, 7067, 9515, 10505, 19203, 21201, 28545, 31515, 32005, 33043, 35335, 70411, 77737, 96015, 99129, 106005, 165215, 211233, 233211, 352055, 363473, 388685, 495645, 1056165, 1090419, 1166055, 1222591, 1817365, 3667773, 5452095, 6112955, 13448501, 18338865, 40345503, 67242505, 201727515]

約数ペア:

[(1, 201727515), (3, 67242505), (5, 40345503), (11, 18338865), (15, 13448501), (33, 6112955), (37, 5452095), (55, 3667773), (111, 1817365), (165, 1222591), (173, 1166055), (185, 1090419), (191, 1056165), (407, 495645), (519, 388685), (555, 363473), (573, 352055), (865, 233211), (955, 211233), (1221, 165215), (1903, 106005), (2035, 99129), (2101, 96015), (2595, 77737), (2865, 70411), (5709, 35335), (6105, 33043), (6303, 32005), (6401, 31515), (7067, 28545), (9515, 21201), (10505, 19203)]