142646889

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{4643}}^1$

素因数の和:4690

約数の個数: 48

約数和(自身を含む): 254119680

約数和(自身を除く): 111472791

約数列:

[1, 3, 7, 11, 19, 21, 33, 49, 57, 77, 133, 147, 209, 231, 399, 539, 627, 931, 1463, 1617, 2793, 4389, 4643, 10241, 13929, 30723, 32501, 51073, 88217, 97503, 153219, 227507, 264651, 357511, 617519, 682521, 970387, 1072533, 1852557, 2502577, 2911161, 4322633, 6792709, 7507731, 12967899, 20378127, 47548963, 142646889]

約数ペア:

[(1, 142646889), (3, 47548963), (7, 20378127), (11, 12967899), (19, 7507731), (21, 6792709), (33, 4322633), (49, 2911161), (57, 2502577), (77, 1852557), (133, 1072533), (147, 970387), (209, 682521), (231, 617519), (399, 357511), (539, 264651), (627, 227507), (931, 153219), (1463, 97503), (1617, 88217), (2793, 51073), (4389, 32501), (4643, 30723), (10241, 13929)]