39207975

素因数分解:

$3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 67852800

約数和(自身を除く): 28644825

約数列:

[1, 3, 5, 15, 25, 37, 71, 75, 111, 185, 199, 213, 355, 555, 597, 925, 995, 1065, 1775, 2627, 2775, 2985, 4975, 5325, 7363, 7881, 13135, 14129, 14925, 22089, 36815, 39405, 42387, 65675, 70645, 110445, 184075, 197025, 211935, 353225, 522773, 552225, 1059675, 1568319, 2613865, 7841595, 13069325, 39207975]

約数ペア:

[(1, 39207975), (3, 13069325), (5, 7841595), (15, 2613865), (25, 1568319), (37, 1059675), (71, 552225), (75, 522773), (111, 353225), (185, 211935), (199, 197025), (213, 184075), (355, 110445), (555, 70645), (597, 65675), (925, 42387), (995, 39405), (1065, 36815), (1775, 22089), (2627, 14925), (2775, 14129), (2985, 13135), (4975, 7881), (5325, 7363)]