84555681

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{2903}}^1$

素因数の和:3005

約数の個数: 32

約数和(自身を含む): 137533440

約数和(自身を除く): 52977759

約数列:

[1, 3, 7, 19, 21, 57, 73, 133, 219, 399, 511, 1387, 1533, 2903, 4161, 8709, 9709, 20321, 29127, 55157, 60963, 165471, 211919, 386099, 635757, 1158297, 1483433, 4026461, 4450299, 12079383, 28185227, 84555681]

約数ペア:

[(1, 84555681), (3, 28185227), (7, 12079383), (19, 4450299), (21, 4026461), (57, 1483433), (73, 1158297), (133, 635757), (219, 386099), (399, 211919), (511, 165471), (1387, 60963), (1533, 55157), (2903, 29127), (4161, 20321), (8709, 9709)]