121209813

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{577}}^1\times {\mathrm{1373}}^1$

素因数の和:1973

約数の個数: 24

約数和(自身を含む): 185836248

約数和(自身を除く): 64626435

約数列:

[1, 3, 9, 17, 51, 153, 577, 1373, 1731, 4119, 5193, 9809, 12357, 23341, 29427, 70023, 88281, 210069, 792221, 2376663, 7129989, 13467757, 40403271, 121209813]

約数ペア:

[(1, 121209813), (3, 40403271), (9, 13467757), (17, 7129989), (51, 2376663), (153, 792221), (577, 210069), (1373, 88281), (1731, 70023), (4119, 29427), (5193, 23341), (9809, 12357)]