2018879991

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{953}}^1\times {\mathrm{2531}}^1$

素因数の和:3524

約数の個数: 32

約数和(自身を含む): 3091875840

約数和(自身を除く): 1072995849

約数列:

[1, 3, 9, 27, 31, 93, 279, 837, 953, 2531, 2859, 7593, 8577, 22779, 25731, 29543, 68337, 78461, 88629, 235383, 265887, 706149, 797661, 2118447, 2412043, 7236129, 21708387, 65125161, 74773333, 224319999, 672959997, 2018879991]

約数ペア:

[(1, 2018879991), (3, 672959997), (9, 224319999), (27, 74773333), (31, 65125161), (93, 21708387), (279, 7236129), (837, 2412043), (953, 2118447), (2531, 797661), (2859, 706149), (7593, 265887), (8577, 235383), (22779, 88629), (25731, 78461), (29543, 68337)]