51581691

素因数分解:

$3^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{3137}}^1$

素因数の和:3185

約数の個数: 40

約数和(自身を含む): 91127520

約数和(自身を除く): 39545829

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 81, 87, 189, 203, 261, 567, 609, 783, 1827, 2349, 3137, 5481, 9411, 16443, 21959, 28233, 65877, 84699, 90973, 197631, 254097, 272919, 592893, 636811, 818757, 1778679, 1910433, 2456271, 5731299, 7368813, 17193897, 51581691]

約数ペア:

[(1, 51581691), (3, 17193897), (7, 7368813), (9, 5731299), (21, 2456271), (27, 1910433), (29, 1778679), (63, 818757), (81, 636811), (87, 592893), (189, 272919), (203, 254097), (261, 197631), (567, 90973), (609, 84699), (783, 65877), (1827, 28233), (2349, 21959), (3137, 16443), (5481, 9411)]