28116333

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{283}}^1$

素因数の和:398

約数の個数: 48

約数和(自身を含む): 49620480

約数和(自身を除く): 21504147

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 83, 133, 171, 249, 283, 399, 581, 747, 849, 1197, 1577, 1743, 1981, 2547, 4731, 5229, 5377, 5943, 11039, 14193, 16131, 17829, 23489, 33117, 37639, 48393, 70467, 99351, 112917, 164423, 211401, 338751, 446291, 493269, 1338873, 1479807, 3124037, 4016619, 9372111, 28116333]

約数ペア:

[(1, 28116333), (3, 9372111), (7, 4016619), (9, 3124037), (19, 1479807), (21, 1338873), (57, 493269), (63, 446291), (83, 338751), (133, 211401), (171, 164423), (249, 112917), (283, 99351), (399, 70467), (581, 48393), (747, 37639), (849, 33117), (1197, 23489), (1577, 17829), (1743, 16131), (1981, 14193), (2547, 11039), (4731, 5943), (5229, 5377)]