656253

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:169

約数の個数: 24

約数和(自身を含む): 1048320

約数和(自身を除く): 392067

約数列:

[1, 3, 9, 13, 39, 71, 79, 117, 213, 237, 639, 711, 923, 1027, 2769, 3081, 5609, 8307, 9243, 16827, 50481, 72917, 218751, 656253]

約数ペア:

[(1, 656253), (3, 218751), (9, 72917), (13, 50481), (39, 16827), (71, 9243), (79, 8307), (117, 5609), (213, 3081), (237, 2769), (639, 1027), (711, 923)]