247059219

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{17783}}^1$

素因数の和:18218

約数の個数: 16

約数和(自身を含む): 360232704

約数和(自身を除く): 113173485

約数列:

[1, 3, 11, 33, 421, 1263, 4631, 13893, 17783, 53349, 195613, 586839, 7486643, 22459929, 82353073, 247059219]

約数ペア:

[(1, 247059219), (3, 82353073), (11, 22459929), (33, 7486643), (421, 586839), (1263, 195613), (4631, 53349), (13893, 17783)]