168820011

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{347}}^1\times {\mathrm{487}}^1$

素因数の和:880

約数の個数: 32

約数和(自身を含む): 258132480

約数和(自身を除く): 89312469

約数列:

[1, 3, 9, 27, 37, 111, 333, 347, 487, 999, 1041, 1461, 3123, 4383, 9369, 12839, 13149, 18019, 38517, 54057, 115551, 162171, 168989, 346653, 486513, 506967, 1520901, 4562703, 6252593, 18757779, 56273337, 168820011]

約数ペア:

[(1, 168820011), (3, 56273337), (9, 18757779), (27, 6252593), (37, 4562703), (111, 1520901), (333, 506967), (347, 486513), (487, 346653), (999, 168989), (1041, 162171), (1461, 115551), (3123, 54057), (4383, 38517), (9369, 18019), (12839, 13149)]