7940313

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{431}}^1$

素因数の和:549

約数の個数: 24

約数和(自身を含む): 12130560

約数和(自身を除く): 4190247

約数列:

[1, 3, 9, 23, 69, 89, 207, 267, 431, 801, 1293, 2047, 3879, 6141, 9913, 18423, 29739, 38359, 89217, 115077, 345231, 882257, 2646771, 7940313]

約数ペア:

[(1, 7940313), (3, 2646771), (9, 882257), (23, 345231), (69, 115077), (89, 89217), (207, 38359), (267, 29739), (431, 18423), (801, 9913), (1293, 6141), (2047, 3879)]