1520809749

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1549}}^1$

素因数の和:1632

約数の個数: 80

約数和(自身を含む): 2592691200

約数和(自身を除く): 1071881451

約数列:

[1, 3, 9, 17, 23, 27, 31, 51, 69, 81, 93, 153, 207, 279, 391, 459, 527, 621, 713, 837, 1173, 1377, 1549, 1581, 1863, 2139, 2511, 3519, 4647, 4743, 6417, 10557, 12121, 13941, 14229, 19251, 26333, 31671, 35627, 36363, 41823, 42687, 48019, 57753, 78999, 106881, 109089, 125469, 144057, 236997, 320643, 327267, 432171, 605659, 710991, 816323, 961929, 981801, 1104437, 1296513, 1816977, 2132973, 2448969, 2885787, 3313311, 3889539, 5450931, 7346907, 9939933, 16352793, 18775429, 22040721, 29819799, 49058379, 56326287, 66122163, 89459397, 168978861, 506936583, 1520809749]

約数ペア:

[(1, 1520809749), (3, 506936583), (9, 168978861), (17, 89459397), (23, 66122163), (27, 56326287), (31, 49058379), (51, 29819799), (69, 22040721), (81, 18775429), (93, 16352793), (153, 9939933), (207, 7346907), (279, 5450931), (391, 3889539), (459, 3313311), (527, 2885787), (621, 2448969), (713, 2132973), (837, 1816977), (1173, 1296513), (1377, 1104437), (1549, 981801), (1581, 961929), (1863, 816323), (2139, 710991), (2511, 605659), (3519, 432171), (4647, 327267), (4743, 320643), (6417, 236997), (10557, 144057), (12121, 125469), (13941, 109089), (14229, 106881), (19251, 78999), (26333, 57753), (31671, 48019), (35627, 42687), (36363, 41823)]