25718553

素因数分解:

$3^4\times 7^1\times {\mathrm{67}}^1\times {\mathrm{677}}^1$

素因数の和:763

約数の個数: 40

約数和(自身を含む): 44628672

約数和(自身を除く): 18910119

約数列:

[1, 3, 7, 9, 21, 27, 63, 67, 81, 189, 201, 469, 567, 603, 677, 1407, 1809, 2031, 4221, 4739, 5427, 6093, 12663, 14217, 18279, 37989, 42651, 45359, 54837, 127953, 136077, 317513, 383859, 408231, 952539, 1224693, 2857617, 3674079, 8572851, 25718553]

約数ペア:

[(1, 25718553), (3, 8572851), (7, 3674079), (9, 2857617), (21, 1224693), (27, 952539), (63, 408231), (67, 383859), (81, 317513), (189, 136077), (201, 127953), (469, 54837), (567, 45359), (603, 42651), (677, 37989), (1407, 18279), (1809, 14217), (2031, 12663), (4221, 6093), (4739, 5427)]