202106385

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{1997}}^1$

素因数の和:2194

約数の個数: 48

約数和(自身を含む): 379635984

約数和(自身を除く): 177529599

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 173, 195, 519, 585, 865, 1557, 1997, 2249, 2595, 5991, 6747, 7785, 9985, 11245, 17973, 20241, 25961, 29955, 33735, 77883, 89865, 101205, 129805, 233649, 345481, 389415, 1036443, 1168245, 1727405, 3109329, 4491253, 5182215, 13473759, 15546645, 22456265, 40421277, 67368795, 202106385]

約数ペア:

[(1, 202106385), (3, 67368795), (5, 40421277), (9, 22456265), (13, 15546645), (15, 13473759), (39, 5182215), (45, 4491253), (65, 3109329), (117, 1727405), (173, 1168245), (195, 1036443), (519, 389415), (585, 345481), (865, 233649), (1557, 129805), (1997, 101205), (2249, 89865), (2595, 77883), (5991, 33735), (6747, 29955), (7785, 25961), (9985, 20241), (11245, 17973)]