81396969

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{503}}^1$

素因数の和:709

約数の個数: 32

約数和(自身を含む): 121927680

約数和(自身を除く): 40530711

約数列:

[1, 3, 17, 19, 51, 57, 167, 323, 501, 503, 969, 1509, 2839, 3173, 8517, 8551, 9519, 9557, 25653, 28671, 53941, 84001, 161823, 162469, 252003, 487407, 1428017, 1596019, 4284051, 4788057, 27132323, 81396969]

約数ペア:

[(1, 81396969), (3, 27132323), (17, 4788057), (19, 4284051), (51, 1596019), (57, 1428017), (167, 487407), (323, 252003), (501, 162469), (503, 161823), (969, 84001), (1509, 53941), (2839, 28671), (3173, 25653), (8517, 9557), (8551, 9519)]