31990923

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{69697}}^1$

素因数の和:69723

約数の個数: 16

約数和(自身を含む): 50182560

約数和(自身を除く): 18191637

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 69697, 209091, 627273, 1184849, 1881819, 3554547, 10663641, 31990923]

約数ペア:

[(1, 31990923), (3, 10663641), (9, 3554547), (17, 1881819), (27, 1184849), (51, 627273), (153, 209091), (459, 69697)]