205507953

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{673}}^1$

素因数の和:854

約数の個数: 48

約数和(自身を含む): 351601536

約数和(自身を除く): 146093583

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 131, 259, 333, 393, 673, 777, 917, 1179, 2019, 2331, 2751, 4711, 4847, 6057, 8253, 14133, 14541, 24901, 33929, 42399, 43623, 74703, 88163, 101787, 174307, 224109, 264489, 305361, 522921, 617141, 793467, 1568763, 1851423, 3262031, 5554269, 9786093, 22834217, 29358279, 68502651, 205507953]

約数ペア:

[(1, 205507953), (3, 68502651), (7, 29358279), (9, 22834217), (21, 9786093), (37, 5554269), (63, 3262031), (111, 1851423), (131, 1568763), (259, 793467), (333, 617141), (393, 522921), (673, 305361), (777, 264489), (917, 224109), (1179, 174307), (2019, 101787), (2331, 88163), (2751, 74703), (4711, 43623), (4847, 42399), (6057, 33929), (8253, 24901), (14133, 14541)]