71657325

素因数分解:

$3^3\times 5^2\times {\mathrm{53}}^1\times {\mathrm{2003}}^1$

素因数の和:2075

約数の個数: 48

約数和(自身を含む): 134187840

約数和(自身を除く): 62530515

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 53, 75, 135, 159, 225, 265, 477, 675, 795, 1325, 1431, 2003, 2385, 3975, 6009, 7155, 10015, 11925, 18027, 30045, 35775, 50075, 54081, 90135, 106159, 150225, 270405, 318477, 450675, 530795, 955431, 1352025, 1592385, 2653975, 2866293, 4777155, 7961925, 14331465, 23885775, 71657325]

約数ペア:

[(1, 71657325), (3, 23885775), (5, 14331465), (9, 7961925), (15, 4777155), (25, 2866293), (27, 2653975), (45, 1592385), (53, 1352025), (75, 955431), (135, 530795), (159, 450675), (225, 318477), (265, 270405), (477, 150225), (675, 106159), (795, 90135), (1325, 54081), (1431, 50075), (2003, 35775), (2385, 30045), (3975, 18027), (6009, 11925), (7155, 10015)]