168520455

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{241}}^1\times {\mathrm{379}}^1$

素因数の和:672

約数の個数: 48

約数和(自身を含む): 301260960

約数和(自身を除く): 132740505

約数列:

[1, 3, 5, 9, 15, 41, 45, 123, 205, 241, 369, 379, 615, 723, 1137, 1205, 1845, 1895, 2169, 3411, 3615, 5685, 9881, 10845, 15539, 17055, 29643, 46617, 49405, 77695, 88929, 91339, 139851, 148215, 233085, 274017, 444645, 456695, 699255, 822051, 1370085, 3744899, 4110255, 11234697, 18724495, 33704091, 56173485, 168520455]

約数ペア:

[(1, 168520455), (3, 56173485), (5, 33704091), (9, 18724495), (15, 11234697), (41, 4110255), (45, 3744899), (123, 1370085), (205, 822051), (241, 699255), (369, 456695), (379, 444645), (615, 274017), (723, 233085), (1137, 148215), (1205, 139851), (1845, 91339), (1895, 88929), (2169, 77695), (3411, 49405), (3615, 46617), (5685, 29643), (9881, 17055), (10845, 15539)]