17117177

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:221

約数の個数: 32

約数和(自身を含む): 22560768

約数和(自身を除く): 5443591

約数列:

[1, 7, 11, 31, 71, 77, 101, 217, 341, 497, 707, 781, 1111, 2201, 2387, 3131, 5467, 7171, 7777, 15407, 21917, 24211, 34441, 50197, 78881, 169477, 222301, 241087, 552167, 1556107, 2445311, 17117177]

約数ペア:

[(1, 17117177), (7, 2445311), (11, 1556107), (31, 552167), (71, 241087), (77, 222301), (101, 169477), (217, 78881), (341, 50197), (497, 34441), (707, 24211), (781, 21917), (1111, 15407), (2201, 7777), (2387, 7171), (3131, 5467)]