470893581

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{821}}^1$

素因数の和:1003

約数の個数: 40

約数和(自身を含む): 721298424

約数和(自身を除く): 250404843

約数列:

[1, 3, 9, 27, 73, 81, 97, 219, 291, 657, 821, 873, 1971, 2463, 2619, 5913, 7081, 7389, 7857, 21243, 22167, 59933, 63729, 66501, 79637, 179799, 191187, 238911, 539397, 573561, 716733, 1618191, 2150199, 4854573, 5813501, 6450597, 17440503, 52321509, 156964527, 470893581]

約数ペア:

[(1, 470893581), (3, 156964527), (9, 52321509), (27, 17440503), (73, 6450597), (81, 5813501), (97, 4854573), (219, 2150199), (291, 1618191), (657, 716733), (821, 573561), (873, 539397), (1971, 238911), (2463, 191187), (2619, 179799), (5913, 79637), (7081, 66501), (7389, 63729), (7857, 59933), (21243, 22167)]