12989709

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{317}}^1$

素因数の和:509

約数の個数: 24

約数和(自身を含む): 19595160

約数和(自身を除く): 6605451

約数列:

[1, 3, 9, 29, 87, 157, 261, 317, 471, 951, 1413, 2853, 4553, 9193, 13659, 27579, 40977, 49769, 82737, 149307, 447921, 1443301, 4329903, 12989709]

約数ペア:

[(1, 12989709), (3, 4329903), (9, 1443301), (29, 447921), (87, 149307), (157, 82737), (261, 49769), (317, 40977), (471, 27579), (951, 13659), (1413, 9193), (2853, 4553)]