221470851

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{340201}}^1$

素因数の和:340242

約数の個数: 16

約数和(自身を含む): 348366848

約数和(自身を除く): 126895997

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 340201, 1020603, 2381407, 7144221, 10546231, 31638693, 73823617, 221470851]

約数ペア:

[(1, 221470851), (3, 73823617), (7, 31638693), (21, 10546231), (31, 7144221), (93, 2381407), (217, 1020603), (651, 340201)]