79886289

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{409}}^1$

素因数の和:621

約数の個数: 32

約数和(自身を含む): 124692480

約数和(自身を除く): 44806191

約数列:

[1, 3, 7, 21, 71, 131, 213, 393, 409, 497, 917, 1227, 1491, 2751, 2863, 8589, 9301, 27903, 29039, 53579, 65107, 87117, 160737, 195321, 203273, 375053, 609819, 1125159, 3804109, 11412327, 26628763, 79886289]

約数ペア:

[(1, 79886289), (3, 26628763), (7, 11412327), (21, 3804109), (71, 1125159), (131, 609819), (213, 375053), (393, 203273), (409, 195321), (497, 160737), (917, 87117), (1227, 65107), (1491, 53579), (2751, 29039), (2863, 27903), (8589, 9301)]