1280250399

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{283}}^1\times {\mathrm{829}}^1$

素因数の和:1239

約数の個数: 32

約数和(自身を含む): 1832958720

約数和(自身を除く): 552708321

約数列:

[1, 3, 17, 51, 107, 283, 321, 829, 849, 1819, 2487, 4811, 5457, 14093, 14433, 30281, 42279, 88703, 90843, 234607, 266109, 514777, 703821, 1507951, 1544331, 3988319, 4523853, 11964957, 25102949, 75308847, 426750133, 1280250399]

約数ペア:

[(1, 1280250399), (3, 426750133), (17, 75308847), (51, 25102949), (107, 11964957), (283, 4523853), (321, 3988319), (829, 1544331), (849, 1507951), (1819, 703821), (2487, 514777), (4811, 266109), (5457, 234607), (14093, 90843), (14433, 88703), (30281, 42279)]