138516875

素因数分解:

$5^4\times 7^2\times {\mathrm{4523}}^1$

素因数の和:4557

約数の個数: 30

約数和(自身を含む): 201394908

約数和(自身を除く): 62878033

約数列:

[1, 5, 7, 25, 35, 49, 125, 175, 245, 625, 875, 1225, 4375, 4523, 6125, 22615, 30625, 31661, 113075, 158305, 221627, 565375, 791525, 1108135, 2826875, 3957625, 5540675, 19788125, 27703375, 138516875]

約数ペア:

[(1, 138516875), (5, 27703375), (7, 19788125), (25, 5540675), (35, 3957625), (49, 2826875), (125, 1108135), (175, 791525), (245, 565375), (625, 221627), (875, 158305), (1225, 113075), (4375, 31661), (4523, 30625), (6125, 22615)]