1520771247

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{401}}^1$

素因数の和:661

約数の個数: 64

約数和(自身を含む): 2445189120

約数和(自身を除く): 924417873

約数列:

[1, 3, 9, 23, 27, 31, 69, 93, 197, 207, 279, 401, 591, 621, 713, 837, 1203, 1773, 2139, 3609, 4531, 5319, 6107, 6417, 9223, 10827, 12431, 13593, 18321, 19251, 27669, 37293, 40779, 54963, 78997, 83007, 111879, 122337, 140461, 164889, 236991, 249021, 285913, 335637, 421383, 710973, 857739, 1264149, 1816931, 2132919, 2448907, 2573217, 3792447, 5450793, 7346721, 7719651, 16352379, 22040163, 49057137, 56324861, 66120489, 168974583, 506923749, 1520771247]

約数ペア:

[(1, 1520771247), (3, 506923749), (9, 168974583), (23, 66120489), (27, 56324861), (31, 49057137), (69, 22040163), (93, 16352379), (197, 7719651), (207, 7346721), (279, 5450793), (401, 3792447), (591, 2573217), (621, 2448907), (713, 2132919), (837, 1816931), (1203, 1264149), (1773, 857739), (2139, 710973), (3609, 421383), (4531, 335637), (5319, 285913), (6107, 249021), (6417, 236991), (9223, 164889), (10827, 140461), (12431, 122337), (13593, 111879), (18321, 83007), (19251, 78997), (27669, 54963), (37293, 40779)]