25784811

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{521}}^1$

素因数の和:593

約数の個数: 40

約数和(自身を含む): 42444864

約数和(自身を除く): 16660053

約数列:

[1, 3, 9, 13, 27, 39, 47, 81, 117, 141, 351, 423, 521, 611, 1053, 1269, 1563, 1833, 3807, 4689, 5499, 6773, 14067, 16497, 20319, 24487, 42201, 49491, 60957, 73461, 182871, 220383, 318331, 548613, 661149, 954993, 1983447, 2864979, 8594937, 25784811]

約数ペア:

[(1, 25784811), (3, 8594937), (9, 2864979), (13, 1983447), (27, 954993), (39, 661149), (47, 548613), (81, 318331), (117, 220383), (141, 182871), (351, 73461), (423, 60957), (521, 49491), (611, 42201), (1053, 24487), (1269, 20319), (1563, 16497), (1833, 14067), (3807, 6773), (4689, 5499)]