2017957779

素因数分解:

$3^5\times {\mathrm{29}}^1\times {\mathrm{233}}^1\times {\mathrm{1229}}^1$

素因数の和:1506

約数の個数: 48

約数和(自身を含む): 3142994400

約数和(自身を除く): 1125036621

約数列:

[1, 3, 9, 27, 29, 81, 87, 233, 243, 261, 699, 783, 1229, 2097, 2349, 3687, 6291, 6757, 7047, 11061, 18873, 20271, 33183, 35641, 56619, 60813, 99549, 106923, 182439, 286357, 298647, 320769, 547317, 859071, 962307, 1641951, 2577213, 2886921, 7731639, 8304353, 8660763, 23194917, 24913059, 69584751, 74739177, 224217531, 672652593, 2017957779]

約数ペア:

[(1, 2017957779), (3, 672652593), (9, 224217531), (27, 74739177), (29, 69584751), (81, 24913059), (87, 23194917), (233, 8660763), (243, 8304353), (261, 7731639), (699, 2886921), (783, 2577213), (1229, 1641951), (2097, 962307), (2349, 859071), (3687, 547317), (6291, 320769), (6757, 298647), (7047, 286357), (11061, 182439), (18873, 106923), (20271, 99549), (33183, 60813), (35641, 56619)]