3977187

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{421}}^1$

素因数の和:538

約数の個数: 16

約数和(自身を含む): 5509632

約数和(自身を除く): 1532445

約数列:

[1, 3, 47, 67, 141, 201, 421, 1263, 3149, 9447, 19787, 28207, 59361, 84621, 1325729, 3977187]

約数ペア:

[(1, 3977187), (3, 1325729), (47, 84621), (67, 59361), (141, 28207), (201, 19787), (421, 9447), (1263, 3149)]