6781775

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1$

素因数の和:312

約数の個数: 48

約数和(自身を含む): 11332608

約数和(自身を除く): 4550833

約数列:

[1, 5, 7, 11, 13, 25, 35, 55, 65, 77, 91, 143, 175, 271, 275, 325, 385, 455, 715, 1001, 1355, 1897, 1925, 2275, 2981, 3523, 3575, 5005, 6775, 9485, 14905, 17615, 20867, 24661, 25025, 38753, 47425, 74525, 88075, 104335, 123305, 193765, 271271, 521675, 616525, 968825, 1356355, 6781775]

約数ペア:

[(1, 6781775), (5, 1356355), (7, 968825), (11, 616525), (13, 521675), (25, 271271), (35, 193765), (55, 123305), (65, 104335), (77, 88075), (91, 74525), (143, 47425), (175, 38753), (271, 25025), (275, 24661), (325, 20867), (385, 17615), (455, 14905), (715, 9485), (1001, 6775), (1355, 5005), (1897, 3575), (1925, 3523), (2275, 2981)]