4720821

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{4783}}^1$

素因数の和:4840

約数の個数: 16

約数和(自身を含む): 7348224

約数和(自身を除く): 2627403

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 4783, 14349, 33481, 100443, 224801, 674403, 1573607, 4720821]

約数ペア:

[(1, 4720821), (3, 1573607), (7, 674403), (21, 224801), (47, 100443), (141, 33481), (329, 14349), (987, 4783)]