71280519

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{331}}^1\times {\mathrm{3121}}^1$

素因数の和:3478

約数の個数: 16

約数和(自身を含む): 99504384

約数和(自身を除く): 28223865

約数列:

[1, 3, 23, 69, 331, 993, 3121, 7613, 9363, 22839, 71783, 215349, 1033051, 3099153, 23760173, 71280519]

約数ペア:

[(1, 71280519), (3, 23760173), (23, 3099153), (69, 1033051), (331, 215349), (993, 71783), (3121, 22839), (7613, 9363)]