1620235983

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{213217}}^1$

素因数の和:213386

約数の個数: 16

約数和(自身を含む): 2302754400

約数和(自身を除く): 682518417

約数列:

[1, 3, 17, 51, 149, 447, 2533, 7599, 213217, 639651, 3624689, 10874067, 31769333, 95307999, 540078661, 1620235983]

約数ペア:

[(1, 1620235983), (3, 540078661), (17, 95307999), (51, 31769333), (149, 10874067), (447, 3624689), (2533, 639651), (7599, 213217)]