156978153

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{60353}}^1$

素因数の和:60393

約数の個数: 18

約数和(自身を含む): 240872814

約数和(自身を除く): 83894661

約数列:

[1, 3, 9, 17, 51, 153, 289, 867, 2601, 60353, 181059, 543177, 1026001, 3078003, 9234009, 17442017, 52326051, 156978153]

約数ペア:

[(1, 156978153), (3, 52326051), (9, 17442017), (17, 9234009), (51, 3078003), (153, 1026001), (289, 543177), (867, 181059), (2601, 60353)]