321019938

素因数分解:

$2^1\times 3^2\times {\mathrm{661}}^1\times {\mathrm{26981}}^1$

素因数の和:27650

約数の個数: 24

約数和(自身を含む): 696621276

約数和(自身を除く): 375601338

約数列:

[1, 2, 3, 6, 9, 18, 661, 1322, 1983, 3966, 5949, 11898, 26981, 53962, 80943, 161886, 242829, 485658, 17834441, 35668882, 53503323, 107006646, 160509969, 321019938]

約数ペア:

[(1, 321019938), (2, 160509969), (3, 107006646), (6, 53503323), (9, 35668882), (18, 17834441), (661, 485658), (1322, 242829), (1983, 161886), (3966, 80943), (5949, 53962), (11898, 26981)]