26139375

素因数分解:

$3^3\times 5^4\times {\mathrm{1549}}^1$

素因数の和:1578

約数の個数: 40

約数和(自身を含む): 48422000

約数和(自身を除く): 22282625

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 125, 135, 225, 375, 625, 675, 1125, 1549, 1875, 3375, 4647, 5625, 7745, 13941, 16875, 23235, 38725, 41823, 69705, 116175, 193625, 209115, 348525, 580875, 968125, 1045575, 1742625, 2904375, 5227875, 8713125, 26139375]

約数ペア:

[(1, 26139375), (3, 8713125), (5, 5227875), (9, 2904375), (15, 1742625), (25, 1045575), (27, 968125), (45, 580875), (75, 348525), (125, 209115), (135, 193625), (225, 116175), (375, 69705), (625, 41823), (675, 38725), (1125, 23235), (1549, 16875), (1875, 13941), (3375, 7745), (4647, 5625)]