25978725

素因数分解:

$3^4\times 5^2\times {\mathrm{12829}}^1$

素因数の和:12851

約数の個数: 30

約数和(自身を含む): 48125330

約数和(自身を除く): 22146605

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 2025, 12829, 38487, 64145, 115461, 192435, 320725, 346383, 577305, 962175, 1039149, 1731915, 2886525, 5195745, 8659575, 25978725]

約数ペア:

[(1, 25978725), (3, 8659575), (5, 5195745), (9, 2886525), (15, 1731915), (25, 1039149), (27, 962175), (45, 577305), (75, 346383), (81, 320725), (135, 192435), (225, 115461), (405, 64145), (675, 38487), (2025, 12829)]