27915678

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{103}}^1\times {\mathrm{239}}^1$

素因数の和:363

約数の個数: 80

約数和(自身を含む): 72483840

約数和(自身を除く): 44568162

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 103, 126, 162, 189, 206, 239, 309, 378, 478, 567, 618, 717, 721, 927, 1134, 1434, 1442, 1673, 1854, 2151, 2163, 2781, 3346, 4302, 4326, 5019, 5562, 6453, 6489, 8343, 10038, 12906, 12978, 15057, 16686, 19359, 19467, 24617, 30114, 38718, 38934, 45171, 49234, 58401, 73851, 90342, 116802, 135513, 147702, 172319, 221553, 271026, 344638, 443106, 516957, 664659, 1033914, 1329318, 1550871, 1993977, 3101742, 3987954, 4652613, 9305226, 13957839, 27915678]

約数ペア:

[(1, 27915678), (2, 13957839), (3, 9305226), (6, 4652613), (7, 3987954), (9, 3101742), (14, 1993977), (18, 1550871), (21, 1329318), (27, 1033914), (42, 664659), (54, 516957), (63, 443106), (81, 344638), (103, 271026), (126, 221553), (162, 172319), (189, 147702), (206, 135513), (239, 116802), (309, 90342), (378, 73851), (478, 58401), (567, 49234), (618, 45171), (717, 38934), (721, 38718), (927, 30114), (1134, 24617), (1434, 19467), (1442, 19359), (1673, 16686), (1854, 15057), (2151, 12978), (2163, 12906), (2781, 10038), (3346, 8343), (4302, 6489), (4326, 6453), (5019, 5562)]