28336815

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{821}}^1$

素因数の和:904

約数の個数: 48

約数和(自身を含む): 53857440

約数和(自身を除く): 25520625

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 59, 65, 117, 177, 195, 295, 531, 585, 767, 821, 885, 2301, 2463, 2655, 3835, 4105, 6903, 7389, 10673, 11505, 12315, 32019, 34515, 36945, 48439, 53365, 96057, 145317, 160095, 242195, 435951, 480285, 629707, 726585, 1889121, 2179755, 3148535, 5667363, 9445605, 28336815]

約数ペア:

[(1, 28336815), (3, 9445605), (5, 5667363), (9, 3148535), (13, 2179755), (15, 1889121), (39, 726585), (45, 629707), (59, 480285), (65, 435951), (117, 242195), (177, 160095), (195, 145317), (295, 96057), (531, 53365), (585, 48439), (767, 36945), (821, 34515), (885, 32019), (2301, 12315), (2463, 11505), (2655, 10673), (3835, 7389), (4105, 6903)]