668640675

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{173}}^1\times {\mathrm{1777}}^1$

素因数の和:1992

約数の個数: 48

約数和(自身を含む): 1150863840

約数和(自身を除く): 482223165

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 145, 173, 435, 519, 725, 865, 1777, 2175, 2595, 4325, 5017, 5331, 8885, 12975, 15051, 25085, 26655, 44425, 51533, 75255, 125425, 133275, 154599, 257665, 307421, 376275, 772995, 922263, 1288325, 1537105, 3864975, 4611315, 7685525, 8915209, 23056575, 26745627, 44576045, 133728135, 222880225, 668640675]

約数ペア:

[(1, 668640675), (3, 222880225), (5, 133728135), (15, 44576045), (25, 26745627), (29, 23056575), (75, 8915209), (87, 7685525), (145, 4611315), (173, 3864975), (435, 1537105), (519, 1288325), (725, 922263), (865, 772995), (1777, 376275), (2175, 307421), (2595, 257665), (4325, 154599), (5017, 133275), (5331, 125425), (8885, 75255), (12975, 51533), (15051, 44425), (25085, 26655)]