1900821663

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{613}}^1\times {\mathrm{1559}}^1$

素因数の和:2208

約数の個数: 48

約数和(自身を含む): 3137883840

約数和(自身を除く): 1237062177

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 613, 663, 1559, 1839, 1989, 4677, 5517, 7969, 10421, 14031, 20267, 23907, 26503, 31263, 60801, 71721, 79509, 93789, 135473, 182403, 238527, 344539, 406419, 955667, 1033617, 1219257, 2867001, 3100851, 8601003, 12423671, 16246339, 37271013, 48739017, 111813039, 146217051, 211202407, 633607221, 1900821663]

約数ペア:

[(1, 1900821663), (3, 633607221), (9, 211202407), (13, 146217051), (17, 111813039), (39, 48739017), (51, 37271013), (117, 16246339), (153, 12423671), (221, 8601003), (613, 3100851), (663, 2867001), (1559, 1219257), (1839, 1033617), (1989, 955667), (4677, 406419), (5517, 344539), (7969, 238527), (10421, 182403), (14031, 135473), (20267, 93789), (23907, 79509), (26503, 71721), (31263, 60801)]