6557985

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{191}}^1$

素因数の和:318

約数の個数: 48

約数和(自身を含む): 13178880

約数和(自身を除く): 6620895

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 109, 191, 315, 327, 545, 573, 763, 955, 981, 1337, 1635, 1719, 2289, 2865, 3815, 4011, 4905, 6685, 6867, 8595, 11445, 12033, 20055, 20819, 34335, 60165, 62457, 104095, 145733, 187371, 312285, 437199, 728665, 936855, 1311597, 2185995, 6557985]

約数ペア:

[(1, 6557985), (3, 2185995), (5, 1311597), (7, 936855), (9, 728665), (15, 437199), (21, 312285), (35, 187371), (45, 145733), (63, 104095), (105, 62457), (109, 60165), (191, 34335), (315, 20819), (327, 20055), (545, 12033), (573, 11445), (763, 8595), (955, 6867), (981, 6685), (1337, 4905), (1635, 4011), (1719, 3815), (2289, 2865)]