15867009

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:203

約数の個数: 40

約数和(自身を含む): 25090560

約数和(自身を除く): 9223551

約数列:

[1, 3, 9, 27, 31, 71, 81, 89, 93, 213, 267, 279, 639, 801, 837, 1917, 2201, 2403, 2511, 2759, 5751, 6319, 6603, 7209, 8277, 18957, 19809, 24831, 56871, 59427, 74493, 170613, 178281, 195889, 223479, 511839, 587667, 1763001, 5289003, 15867009]

約数ペア:

[(1, 15867009), (3, 5289003), (9, 1763001), (27, 587667), (31, 511839), (71, 223479), (81, 195889), (89, 178281), (93, 170613), (213, 74493), (267, 59427), (279, 56871), (639, 24831), (801, 19809), (837, 18957), (1917, 8277), (2201, 7209), (2403, 6603), (2511, 6319), (2759, 5751)]