13969809

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{311}}^1$

素因数の和:378

約数の個数: 48

約数和(自身を含む): 24920064

約数和(自身を除く): 10950255

約数列:

[1, 3, 7, 9, 21, 23, 31, 63, 69, 93, 161, 207, 217, 279, 311, 483, 651, 713, 933, 1449, 1953, 2139, 2177, 2799, 4991, 6417, 6531, 7153, 9641, 14973, 19593, 21459, 28923, 44919, 50071, 64377, 67487, 86769, 150213, 202461, 221743, 450639, 607383, 665229, 1552201, 1995687, 4656603, 13969809]

約数ペア:

[(1, 13969809), (3, 4656603), (7, 1995687), (9, 1552201), (21, 665229), (23, 607383), (31, 450639), (63, 221743), (69, 202461), (93, 150213), (161, 86769), (207, 67487), (217, 64377), (279, 50071), (311, 44919), (483, 28923), (651, 21459), (713, 19593), (933, 14973), (1449, 9641), (1953, 7153), (2139, 6531), (2177, 6417), (2799, 4991)]