17260209

素因数分解:

$3^4\times {\mathrm{409}}^1\times {\mathrm{521}}^1$

素因数の和:942

約数の個数: 20

約数和(自身を含む): 25896420

約数和(自身を除く): 8636211

約数列:

[1, 3, 9, 27, 81, 409, 521, 1227, 1563, 3681, 4689, 11043, 14067, 33129, 42201, 213089, 639267, 1917801, 5753403, 17260209]

約数ペア:

[(1, 17260209), (3, 5753403), (9, 1917801), (27, 639267), (81, 213089), (409, 42201), (521, 33129), (1227, 14067), (1563, 11043), (3681, 4689)]