345423813

素因数分解:

$3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{307}}^1\times {\mathrm{409}}^1$

素因数の和:857

約数の個数: 32

約数和(自身を含む): 533406720

約数和(自身を除く): 187982907

約数列:

[1, 3, 7, 21, 131, 307, 393, 409, 917, 921, 1227, 2149, 2751, 2863, 6447, 8589, 40217, 53579, 120651, 125563, 160737, 281519, 375053, 376689, 844557, 878941, 1125159, 2636823, 16448753, 49346259, 115141271, 345423813]

約数ペア:

[(1, 345423813), (3, 115141271), (7, 49346259), (21, 16448753), (131, 2636823), (307, 1125159), (393, 878941), (409, 844557), (917, 376689), (921, 375053), (1227, 281519), (2149, 160737), (2751, 125563), (2863, 120651), (6447, 53579), (8589, 40217)]