858505431

素因数分解:

$3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{907}}^1$

素因数の和:1108

約数の個数: 48

約数和(自身を含む): 1371326976

約数和(自身を除く): 512821545

約数列:

[1, 3, 7, 21, 47, 49, 137, 141, 147, 329, 411, 907, 959, 987, 2303, 2721, 2877, 6349, 6439, 6713, 6909, 19047, 19317, 20139, 42629, 44443, 45073, 124259, 127887, 133329, 135219, 298403, 315511, 372777, 869813, 895209, 946533, 2088821, 2609439, 5840173, 6088691, 6266463, 17520519, 18266073, 40881211, 122643633, 286168477, 858505431]

約数ペア:

[(1, 858505431), (3, 286168477), (7, 122643633), (21, 40881211), (47, 18266073), (49, 17520519), (137, 6266463), (141, 6088691), (147, 5840173), (329, 2609439), (411, 2088821), (907, 946533), (959, 895209), (987, 869813), (2303, 372777), (2721, 315511), (2877, 298403), (6349, 135219), (6439, 133329), (6713, 127887), (6909, 124259), (19047, 45073), (19317, 44443), (20139, 42629)]