210243519

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{829}}^1$

素因数の和:973

約数の個数: 40

約数和(自身を含む): 327803520

約数和(自身を除く): 117560001

約数列:

[1, 3, 9, 27, 31, 81, 93, 101, 279, 303, 829, 837, 909, 2487, 2511, 2727, 3131, 7461, 8181, 9393, 22383, 25699, 28179, 67149, 77097, 83729, 84537, 231291, 251187, 253611, 693873, 753561, 2081619, 2260683, 2595599, 6782049, 7786797, 23360391, 70081173, 210243519]

約数ペア:

[(1, 210243519), (3, 70081173), (9, 23360391), (27, 7786797), (31, 6782049), (81, 2595599), (93, 2260683), (101, 2081619), (279, 753561), (303, 693873), (829, 253611), (837, 251187), (909, 231291), (2487, 84537), (2511, 83729), (2727, 77097), (3131, 67149), (7461, 28179), (8181, 25699), (9393, 22383)]