13905639

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:268

約数の個数: 48

約数和(自身を含む): 23721984

約数和(自身を除く): 9816345

約数列:

[1, 3, 9, 11, 23, 31, 33, 69, 93, 99, 197, 207, 253, 279, 341, 591, 713, 759, 1023, 1773, 2139, 2167, 2277, 3069, 4531, 6107, 6417, 6501, 7843, 13593, 18321, 19503, 23529, 40779, 49841, 54963, 67177, 70587, 140461, 149523, 201531, 421383, 448569, 604593, 1264149, 1545071, 4635213, 13905639]

約数ペア:

[(1, 13905639), (3, 4635213), (9, 1545071), (11, 1264149), (23, 604593), (31, 448569), (33, 421383), (69, 201531), (93, 149523), (99, 140461), (197, 70587), (207, 67177), (253, 54963), (279, 49841), (341, 40779), (591, 23529), (713, 19503), (759, 18321), (1023, 13593), (1773, 7843), (2139, 6501), (2167, 6417), (2277, 6107), (3069, 4531)]