156743727

素因数分解:

$3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{227}}^1\times {\mathrm{251}}^1$

素因数の和:619

約数の個数: 32

約数和(自身を含む): 242694144

約数和(自身を除く): 85950417

約数列:

[1, 3, 7, 21, 131, 227, 251, 393, 681, 753, 917, 1589, 1757, 2751, 4767, 5271, 29737, 32881, 56977, 89211, 98643, 170931, 208159, 230167, 398839, 624477, 690501, 1196517, 7463987, 22391961, 52247909, 156743727]

約数ペア:

[(1, 156743727), (3, 52247909), (7, 22391961), (21, 7463987), (131, 1196517), (227, 690501), (251, 624477), (393, 398839), (681, 230167), (753, 208159), (917, 170931), (1589, 98643), (1757, 89211), (2751, 56977), (4767, 32881), (5271, 29737)]