203871609

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{16693}}^1$

素因数の和:16781

約数の個数: 24

約数和(自身を含む): 312511680

約数和(自身を除く): 108640071

約数列:

[1, 3, 9, 23, 59, 69, 177, 207, 531, 1357, 4071, 12213, 16693, 50079, 150237, 383939, 984887, 1151817, 2954661, 3455451, 8863983, 22652401, 67957203, 203871609]

約数ペア:

[(1, 203871609), (3, 67957203), (9, 22652401), (23, 8863983), (59, 3455451), (69, 2954661), (177, 1151817), (207, 984887), (531, 383939), (1357, 150237), (4071, 50079), (12213, 16693)]