12172389

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{659}}^1$

素因数の和:840

約数の個数: 16

約数和(自身を含む): 16727040

約数和(自身を除く): 4554651

約数列:

[1, 3, 47, 131, 141, 393, 659, 1977, 6157, 18471, 30973, 86329, 92919, 258987, 4057463, 12172389]

約数ペア:

[(1, 12172389), (3, 4057463), (47, 258987), (131, 92919), (141, 86329), (393, 30973), (659, 18471), (1977, 6157)]