266586327

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{557}}^1$

素因数の和:748

約数の個数: 48

約数和(自身を含む): 451256832

約数和(自身を除く): 184670505

約数列:

[1, 3, 7, 9, 21, 63, 71, 107, 213, 321, 497, 557, 639, 749, 963, 1491, 1671, 2247, 3899, 4473, 5013, 6741, 7597, 11697, 22791, 35091, 39547, 53179, 59599, 68373, 118641, 159537, 178797, 276829, 355923, 417193, 478611, 536391, 830487, 1251579, 2491461, 3754737, 4231529, 12694587, 29620703, 38083761, 88862109, 266586327]

約数ペア:

[(1, 266586327), (3, 88862109), (7, 38083761), (9, 29620703), (21, 12694587), (63, 4231529), (71, 3754737), (107, 2491461), (213, 1251579), (321, 830487), (497, 536391), (557, 478611), (639, 417193), (749, 355923), (963, 276829), (1491, 178797), (1671, 159537), (2247, 118641), (3899, 68373), (4473, 59599), (5013, 53179), (6741, 39547), (7597, 35091), (11697, 22791)]