289401825

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{4723}}^1$

素因数の和:4798

約数の個数: 48

約数和(自身を含む): 515482880

約数和(自身を除く): 226081055

約数列:

[1, 3, 5, 15, 19, 25, 43, 57, 75, 95, 129, 215, 285, 475, 645, 817, 1075, 1425, 2451, 3225, 4085, 4723, 12255, 14169, 20425, 23615, 61275, 70845, 89737, 118075, 203089, 269211, 354225, 448685, 609267, 1015445, 1346055, 2243425, 3046335, 3858691, 5077225, 6730275, 11576073, 15231675, 19293455, 57880365, 96467275, 289401825]

約数ペア:

[(1, 289401825), (3, 96467275), (5, 57880365), (15, 19293455), (19, 15231675), (25, 11576073), (43, 6730275), (57, 5077225), (75, 3858691), (95, 3046335), (129, 2243425), (215, 1346055), (285, 1015445), (475, 609267), (645, 448685), (817, 354225), (1075, 269211), (1425, 203089), (2451, 118075), (3225, 89737), (4085, 70845), (4723, 61275), (12255, 23615), (14169, 20425)]