6981765

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{59}}^1$

素因数の和:111

約数の個数: 64

約数和(自身を含む): 13824000

約数和(自身を除く): 6842235

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 49, 59, 69, 105, 115, 147, 161, 177, 245, 295, 343, 345, 413, 483, 735, 805, 885, 1029, 1127, 1239, 1357, 1715, 2065, 2415, 2891, 3381, 4071, 5145, 5635, 6195, 6785, 7889, 8673, 9499, 14455, 16905, 20237, 20355, 23667, 28497, 39445, 43365, 47495, 60711, 66493, 101185, 118335, 142485, 199479, 303555, 332465, 465451, 997395, 1396353, 2327255, 6981765]

約数ペア:

[(1, 6981765), (3, 2327255), (5, 1396353), (7, 997395), (15, 465451), (21, 332465), (23, 303555), (35, 199479), (49, 142485), (59, 118335), (69, 101185), (105, 66493), (115, 60711), (147, 47495), (161, 43365), (177, 39445), (245, 28497), (295, 23667), (343, 20355), (345, 20237), (413, 16905), (483, 14455), (735, 9499), (805, 8673), (885, 7889), (1029, 6785), (1127, 6195), (1239, 5635), (1357, 5145), (1715, 4071), (2065, 3381), (2415, 2891)]