12728223

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{3617}}^1$

素因数の和:3663

約数の個数: 24

約数和(自身を含む): 20318688

約数和(自身を除く): 7590465

約数列:

[1, 3, 9, 17, 23, 51, 69, 153, 207, 391, 1173, 3519, 3617, 10851, 32553, 61489, 83191, 184467, 249573, 553401, 748719, 1414247, 4242741, 12728223]

約数ペア:

[(1, 12728223), (3, 4242741), (9, 1414247), (17, 748719), (23, 553401), (51, 249573), (69, 184467), (153, 83191), (207, 61489), (391, 32553), (1173, 10851), (3519, 3617)]