15681564

素因数分解:

$2^2\times 3^2\times {\mathrm{659}}^1\times {\mathrm{661}}^1$

素因数の和:1330

約数の個数: 36

約数和(自身を含む): 39759720

約数和(自身を除く): 24078156

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 659, 661, 1318, 1322, 1977, 1983, 2636, 2644, 3954, 3966, 5931, 5949, 7908, 7932, 11862, 11898, 23724, 23796, 435599, 871198, 1306797, 1742396, 2613594, 3920391, 5227188, 7840782, 15681564]

約数ペア:

[(1, 15681564), (2, 7840782), (3, 5227188), (4, 3920391), (6, 2613594), (9, 1742396), (12, 1306797), (18, 871198), (36, 435599), (659, 23796), (661, 23724), (1318, 11898), (1322, 11862), (1977, 7932), (1983, 7908), (2636, 5949), (2644, 5931), (3954, 3966)]