318645909

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{122509}}^1$

素因数の和:122549

約数の個数: 18

約数和(自身を含む): 488937410

約数和(自身を除く): 170291501

約数列:

[1, 3, 9, 17, 51, 153, 289, 867, 2601, 122509, 367527, 1102581, 2082653, 6247959, 18743877, 35405101, 106215303, 318645909]

約数ペア:

[(1, 318645909), (3, 106215303), (9, 35405101), (17, 18743877), (51, 6247959), (153, 2082653), (289, 1102581), (867, 367527), (2601, 122509)]