28689525

素因数分解:

$3^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{2237}}^1$

素因数の和:2275

約数の個数: 48

約数和(自身を含む): 55502400

約数和(自身を除く): 26812875

約数列:

[1, 3, 5, 9, 15, 19, 25, 27, 45, 57, 75, 95, 135, 171, 225, 285, 475, 513, 675, 855, 1425, 2237, 2565, 4275, 6711, 11185, 12825, 20133, 33555, 42503, 55925, 60399, 100665, 127509, 167775, 212515, 301995, 382527, 503325, 637545, 1062575, 1147581, 1509975, 1912635, 3187725, 5737905, 9563175, 28689525]

約数ペア:

[(1, 28689525), (3, 9563175), (5, 5737905), (9, 3187725), (15, 1912635), (19, 1509975), (25, 1147581), (27, 1062575), (45, 637545), (57, 503325), (75, 382527), (95, 301995), (135, 212515), (171, 167775), (225, 127509), (285, 100665), (475, 60399), (513, 55925), (675, 42503), (855, 33555), (1425, 20133), (2237, 12825), (2565, 11185), (4275, 6711)]