81211485

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{1117}}^1$

素因数の和:1293

約数の個数: 32

約数和(自身を含む): 134589312

約数和(自身を除く): 53377827

約数列:

[1, 3, 5, 15, 37, 111, 131, 185, 393, 555, 655, 1117, 1965, 3351, 4847, 5585, 14541, 16755, 24235, 41329, 72705, 123987, 146327, 206645, 438981, 619935, 731635, 2194905, 5414099, 16242297, 27070495, 81211485]

約数ペア:

[(1, 81211485), (3, 27070495), (5, 16242297), (15, 5414099), (37, 2194905), (111, 731635), (131, 619935), (185, 438981), (393, 206645), (555, 146327), (655, 123987), (1117, 72705), (1965, 41329), (3351, 24235), (4847, 16755), (5585, 14541)]