83641905

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{557}}^1$

素因数の和:686

約数の個数: 48

約数和(自身を含む): 150418944

約数和(自身を除く): 66777039

約数列:

[1, 3, 5, 9, 15, 45, 47, 71, 141, 213, 235, 355, 423, 557, 639, 705, 1065, 1671, 2115, 2785, 3195, 3337, 5013, 8355, 10011, 16685, 25065, 26179, 30033, 39547, 50055, 78537, 118641, 130895, 150165, 197735, 235611, 355923, 392685, 593205, 1178055, 1779615, 1858709, 5576127, 9293545, 16728381, 27880635, 83641905]

約数ペア:

[(1, 83641905), (3, 27880635), (5, 16728381), (9, 9293545), (15, 5576127), (45, 1858709), (47, 1779615), (71, 1178055), (141, 593205), (213, 392685), (235, 355923), (355, 235611), (423, 197735), (557, 150165), (639, 130895), (705, 118641), (1065, 78537), (1671, 50055), (2115, 39547), (2785, 30033), (3195, 26179), (3337, 25065), (5013, 16685), (8355, 10011)]