621844293

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{11897}}^1$

素因数の和:12057

約数の個数: 32

約数和(自身を含む): 1005143040

約数和(自身を除く): 383298747

約数列:

[1, 3, 7, 19, 21, 57, 131, 133, 393, 399, 917, 2489, 2751, 7467, 11897, 17423, 35691, 52269, 83279, 226043, 249837, 678129, 1558507, 1582301, 4675521, 4746903, 10909549, 29611633, 32728647, 88834899, 207281431, 621844293]

約数ペア:

[(1, 621844293), (3, 207281431), (7, 88834899), (19, 32728647), (21, 29611633), (57, 10909549), (131, 4746903), (133, 4675521), (393, 1582301), (399, 1558507), (917, 678129), (2489, 249837), (2751, 226043), (7467, 83279), (11897, 52269), (17423, 35691)]