217308897

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{509}}^1$

素因数の和:658

約数の個数: 48

約数和(自身を含む): 350859600

約数和(自身を除く): 133550703

約数列:

[1, 3, 9, 13, 39, 41, 89, 117, 123, 267, 369, 509, 533, 801, 1157, 1527, 1599, 3471, 3649, 4581, 4797, 6617, 10413, 10947, 19851, 20869, 32841, 45301, 47437, 59553, 62607, 135903, 142311, 187821, 271297, 407709, 426933, 588913, 813891, 1766739, 1857341, 2441673, 5300217, 5572023, 16716069, 24145433, 72436299, 217308897]

約数ペア:

[(1, 217308897), (3, 72436299), (9, 24145433), (13, 16716069), (39, 5572023), (41, 5300217), (89, 2441673), (117, 1857341), (123, 1766739), (267, 813891), (369, 588913), (509, 426933), (533, 407709), (801, 271297), (1157, 187821), (1527, 142311), (1599, 135903), (3471, 62607), (3649, 59553), (4581, 47437), (4797, 45301), (6617, 32841), (10413, 20869), (10947, 19851)]