1900789023

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{231493}}^1$

素因数の和:231543

約数の個数: 32

約数和(自身を含む): 3200173056

約数和(自身を除く): 1299384033

約数列:

[1, 3, 7, 17, 21, 23, 51, 69, 119, 161, 357, 391, 483, 1173, 2737, 8211, 231493, 694479, 1620451, 3935381, 4861353, 5324339, 11806143, 15973017, 27547667, 37270373, 82643001, 90513763, 111811119, 271541289, 633596341, 1900789023]

約数ペア:

[(1, 1900789023), (3, 633596341), (7, 271541289), (17, 111811119), (21, 90513763), (23, 82643001), (51, 37270373), (69, 27547667), (119, 15973017), (161, 11806143), (357, 5324339), (391, 4861353), (483, 3935381), (1173, 1620451), (2737, 694479), (8211, 231493)]