13973421

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{251}}^1$

素因数の和:513

約数の個数: 32

約数和(自身を含む): 23417856

約数和(自身を除く): 9444435

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 241, 251, 723, 753, 1687, 1757, 2651, 2761, 5061, 5271, 7953, 8283, 18557, 19327, 55671, 57981, 60491, 181473, 423437, 665401, 1270311, 1996203, 4657807, 13973421]

約数ペア:

[(1, 13973421), (3, 4657807), (7, 1996203), (11, 1270311), (21, 665401), (33, 423437), (77, 181473), (231, 60491), (241, 57981), (251, 55671), (723, 19327), (753, 18557), (1687, 8283), (1757, 7953), (2651, 5271), (2761, 5061)]