220199385

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{17623}}^1$

素因数の和:17662

約数の個数: 48

約数和(自身を含む): 433973376

約数和(自身を除く): 213773991

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 49, 51, 85, 105, 119, 147, 245, 255, 357, 595, 735, 833, 1785, 2499, 4165, 12495, 17623, 52869, 88115, 123361, 264345, 299591, 370083, 616805, 863527, 898773, 1497955, 1850415, 2097137, 2590581, 4317635, 4493865, 6291411, 10485685, 12952905, 14679959, 31457055, 44039877, 73399795, 220199385]

約数ペア:

[(1, 220199385), (3, 73399795), (5, 44039877), (7, 31457055), (15, 14679959), (17, 12952905), (21, 10485685), (35, 6291411), (49, 4493865), (51, 4317635), (85, 2590581), (105, 2097137), (119, 1850415), (147, 1497955), (245, 898773), (255, 863527), (357, 616805), (595, 370083), (735, 299591), (833, 264345), (1785, 123361), (2499, 88115), (4165, 52869), (12495, 17623)]