201556943

素因数分解:

$7^2\times {\mathrm{41}}^2\times {\mathrm{2447}}^1$

素因数の和:2543

約数の個数: 18

約数和(自身を含む): 240420528

約数和(自身を除く): 38863585

約数列:

[1, 7, 41, 49, 287, 1681, 2009, 2447, 11767, 17129, 82369, 100327, 119903, 702289, 4113407, 4916023, 28793849, 201556943]

約数ペア:

[(1, 201556943), (7, 28793849), (41, 4916023), (49, 4113407), (287, 702289), (1681, 119903), (2009, 100327), (2447, 82369), (11767, 17129)]