196721931

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{199313}}^1$

素因数の和:199370

約数の個数: 16

約数和(自身を含む): 306146304

約数和(自身を除く): 109424373

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 199313, 597939, 1395191, 4185573, 9367711, 28103133, 65573977, 196721931]

約数ペア:

[(1, 196721931), (3, 65573977), (7, 28103133), (21, 9367711), (47, 4185573), (141, 1395191), (329, 597939), (987, 199313)]