2691325

素因数分解:

$5^2\times 7^2\times {\mathrm{13}}^3$

素因数の和:63

約数の個数: 36

約数和(自身を含む): 4205460

約数和(自身を除く): 1514135

約数列:

[1, 5, 7, 13, 25, 35, 49, 65, 91, 169, 175, 245, 325, 455, 637, 845, 1183, 1225, 2197, 2275, 3185, 4225, 5915, 8281, 10985, 15379, 15925, 29575, 41405, 54925, 76895, 107653, 207025, 384475, 538265, 2691325]

約数ペア:

[(1, 2691325), (5, 538265), (7, 384475), (13, 207025), (25, 107653), (35, 76895), (49, 54925), (65, 41405), (91, 29575), (169, 15925), (175, 15379), (245, 10985), (325, 8281), (455, 5915), (637, 4225), (845, 3185), (1183, 2275), (1225, 2197)]