15660855

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{599}}^1$

素因数の和:700

約数の個数: 48

約数和(自身を含む): 31449600

約数和(自身を除く): 15788745

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 83, 105, 249, 315, 415, 581, 599, 747, 1245, 1743, 1797, 2905, 2995, 3735, 4193, 5229, 5391, 8715, 8985, 12579, 20965, 26145, 26955, 37737, 49717, 62895, 149151, 188685, 248585, 348019, 447453, 745755, 1044057, 1740095, 2237265, 3132171, 5220285, 15660855]

約数ペア:

[(1, 15660855), (3, 5220285), (5, 3132171), (7, 2237265), (9, 1740095), (15, 1044057), (21, 745755), (35, 447453), (45, 348019), (63, 248585), (83, 188685), (105, 149151), (249, 62895), (315, 49717), (415, 37737), (581, 26955), (599, 26145), (747, 20965), (1245, 12579), (1743, 8985), (1797, 8715), (2905, 5391), (2995, 5229), (3735, 4193)]