13890625

素因数分解:

$5^6\times 7^1\times {\mathrm{127}}^1$

素因数の和:164

約数の個数: 28

約数和(自身を含む): 19999744

約数和(自身を除く): 6109119

約数列:

[1, 5, 7, 25, 35, 125, 127, 175, 625, 635, 875, 889, 3125, 3175, 4375, 4445, 15625, 15875, 21875, 22225, 79375, 109375, 111125, 396875, 555625, 1984375, 2778125, 13890625]

約数ペア:

[(1, 13890625), (5, 2778125), (7, 1984375), (25, 555625), (35, 396875), (125, 111125), (127, 109375), (175, 79375), (625, 22225), (635, 21875), (875, 15875), (889, 15625), (3125, 4445), (3175, 4375)]