13478427

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:248

約数の個数: 32

約数和(自身を含む): 20736000

約数和(自身を除く): 7257573

約数列:

[1, 3, 9, 27, 71, 79, 89, 213, 237, 267, 639, 711, 801, 1917, 2133, 2403, 5609, 6319, 7031, 16827, 18957, 21093, 50481, 56871, 63279, 151443, 170613, 189837, 499201, 1497603, 4492809, 13478427]

約数ペア:

[(1, 13478427), (3, 4492809), (9, 1497603), (27, 499201), (71, 189837), (79, 170613), (89, 151443), (213, 63279), (237, 56871), (267, 50481), (639, 21093), (711, 18957), (801, 16827), (1917, 7031), (2133, 6319), (2403, 5609)]