199468731

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{21061}}^1$

素因数の和:21123

約数の個数: 32

約数和(自身を含む): 339687936

約数和(自身を除く): 140219205

約数列:

[1, 3, 7, 11, 21, 33, 41, 77, 123, 231, 287, 451, 861, 1353, 3157, 9471, 21061, 63183, 147427, 231671, 442281, 695013, 863501, 1621697, 2590503, 4865091, 6044507, 9498511, 18133521, 28495533, 66489577, 199468731]

約数ペア:

[(1, 199468731), (3, 66489577), (7, 28495533), (11, 18133521), (21, 9498511), (33, 6044507), (41, 4865091), (77, 2590503), (123, 1621697), (231, 863501), (287, 695013), (451, 442281), (861, 231671), (1353, 147427), (3157, 63183), (9471, 21061)]