25717545

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4297}}^1$

素因数の和:4334

約数の個数: 48

約数和(自身を含む): 53639040

約数和(自身を除く): 27921495

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 45, 57, 63, 95, 105, 133, 171, 285, 315, 399, 665, 855, 1197, 1995, 4297, 5985, 12891, 21485, 30079, 38673, 64455, 81643, 90237, 150395, 193365, 244929, 270711, 408215, 451185, 571501, 734787, 1224645, 1353555, 1714503, 2857505, 3673935, 5143509, 8572515, 25717545]

約数ペア:

[(1, 25717545), (3, 8572515), (5, 5143509), (7, 3673935), (9, 2857505), (15, 1714503), (19, 1353555), (21, 1224645), (35, 734787), (45, 571501), (57, 451185), (63, 408215), (95, 270711), (105, 244929), (133, 193365), (171, 150395), (285, 90237), (315, 81643), (399, 64455), (665, 38673), (855, 30079), (1197, 21485), (1995, 12891), (4297, 5985)]