221350377

素因数分解:

$3^1\times {\mathrm{149}}^1\times {\mathrm{307}}^1\times {\mathrm{1613}}^1$

素因数の和:2072

約数の個数: 16

約数和(自身を含む): 298267200

約数和(自身を除く): 76916823

約数列:

[1, 3, 149, 307, 447, 921, 1613, 4839, 45743, 137229, 240337, 495191, 721011, 1485573, 73783459, 221350377]

約数ペア:

[(1, 221350377), (3, 73783459), (149, 1485573), (307, 721011), (447, 495191), (921, 240337), (1613, 137229), (4839, 45743)]