408025569

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{2089}}^1$

素因数の和:2301

約数の個数: 32

約数和(自身を含む): 635627520

約数和(自身を除く): 227601951

約数列:

[1, 3, 7, 21, 71, 131, 213, 393, 497, 917, 1491, 2089, 2751, 6267, 9301, 14623, 27903, 43869, 65107, 148319, 195321, 273659, 444957, 820977, 1038233, 1915613, 3114699, 5746839, 19429789, 58289367, 136008523, 408025569]

約数ペア:

[(1, 408025569), (3, 136008523), (7, 58289367), (21, 19429789), (71, 5746839), (131, 3114699), (213, 1915613), (393, 1038233), (497, 820977), (917, 444957), (1491, 273659), (2089, 195321), (2751, 148319), (6267, 65107), (9301, 43869), (14623, 27903)]