420460983

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{15017}}^1$

素因数の和:15104

約数の個数: 32

約数和(自身を含む): 670403520

約数和(自身を除く): 249942537

約数列:

[1, 3, 9, 17, 27, 51, 61, 153, 183, 459, 549, 1037, 1647, 3111, 9333, 15017, 27999, 45051, 135153, 255289, 405459, 765867, 916037, 2297601, 2748111, 6892803, 8244333, 15572629, 24732999, 46717887, 140153661, 420460983]

約数ペア:

[(1, 420460983), (3, 140153661), (9, 46717887), (17, 24732999), (27, 15572629), (51, 8244333), (61, 6892803), (153, 2748111), (183, 2297601), (459, 916037), (549, 765867), (1037, 405459), (1647, 255289), (3111, 135153), (9333, 45051), (15017, 27999)]