221034723

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{27919}}^1$

素因数の和:27971

約数の個数: 32

約数和(自身を含む): 375244800

約数和(自身を除く): 154210077

約数列:

[1, 3, 7, 13, 21, 29, 39, 87, 91, 203, 273, 377, 609, 1131, 2639, 7917, 27919, 83757, 195433, 362947, 586299, 809651, 1088841, 2428953, 2540629, 5667557, 7621887, 10525463, 17002671, 31576389, 73678241, 221034723]

約数ペア:

[(1, 221034723), (3, 73678241), (7, 31576389), (13, 17002671), (21, 10525463), (29, 7621887), (39, 5667557), (87, 2540629), (91, 2428953), (203, 1088841), (273, 809651), (377, 586299), (609, 362947), (1131, 195433), (2639, 83757), (7917, 27919)]