389636085

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{251}}^1\times {\mathrm{2797}}^1$

素因数の和:3093

約数の個数: 32

約数和(自身を含む): 643047552

約数和(自身を除く): 253411467

約数列:

[1, 3, 5, 15, 37, 111, 185, 251, 555, 753, 1255, 2797, 3765, 8391, 9287, 13985, 27861, 41955, 46435, 103489, 139305, 310467, 517445, 702047, 1552335, 2106141, 3510235, 10530705, 25975739, 77927217, 129878695, 389636085]

約数ペア:

[(1, 389636085), (3, 129878695), (5, 77927217), (15, 25975739), (37, 10530705), (111, 3510235), (185, 2106141), (251, 1552335), (555, 702047), (753, 517445), (1255, 310467), (2797, 139305), (3765, 103489), (8391, 46435), (9287, 41955), (13985, 27861)]