321599646

素因数分解:

$2^1\times 3^4\times {\mathrm{1985183}}^1$

素因数の和:1985197

約数の個数: 20

約数和(自身を含む): 720621792

約数和(自身を除く): 399022146

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 1985183, 3970366, 5955549, 11911098, 17866647, 35733294, 53599941, 107199882, 160799823, 321599646]

約数ペア:

[(1, 321599646), (2, 160799823), (3, 107199882), (6, 53599941), (9, 35733294), (18, 17866647), (27, 11911098), (54, 5955549), (81, 3970366), (162, 1985183)]