31293075

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{457}}^1$

素因数の和:564

約数の個数: 48

約数和(自身を含む): 57246336

約数和(自身を除く): 25953261

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 83, 165, 249, 275, 415, 457, 825, 913, 1245, 1371, 2075, 2285, 2739, 4565, 5027, 6225, 6855, 11425, 13695, 15081, 22825, 25135, 34275, 37931, 68475, 75405, 113793, 125675, 189655, 377025, 417241, 568965, 948275, 1251723, 2086205, 2844825, 6258615, 10431025, 31293075]

約数ペア:

[(1, 31293075), (3, 10431025), (5, 6258615), (11, 2844825), (15, 2086205), (25, 1251723), (33, 948275), (55, 568965), (75, 417241), (83, 377025), (165, 189655), (249, 125675), (275, 113793), (415, 75405), (457, 68475), (825, 37931), (913, 34275), (1245, 25135), (1371, 22825), (2075, 15081), (2285, 13695), (2739, 11425), (4565, 6855), (5027, 6225)]