505596273

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{20809}}^1$

素因数の和:20921

約数の個数: 32

約数和(自身を含む): 839059200

約数和(自身を除く): 333462927

約数列:

[1, 3, 7, 13, 21, 39, 89, 91, 267, 273, 623, 1157, 1869, 3471, 8099, 20809, 24297, 62427, 145663, 270517, 436989, 811551, 1852001, 1893619, 5556003, 5680857, 12964007, 24076013, 38892021, 72228039, 168532091, 505596273]

約数ペア:

[(1, 505596273), (3, 168532091), (7, 72228039), (13, 38892021), (21, 24076013), (39, 12964007), (89, 5680857), (91, 5556003), (267, 1893619), (273, 1852001), (623, 811551), (1157, 436989), (1869, 270517), (3471, 145663), (8099, 62427), (20809, 24297)]