17585919

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:192

約数の個数: 48

約数和(自身を含む): 29090880

約数和(自身を除く): 11504961

約数列:

[1, 3, 9, 13, 29, 39, 71, 73, 87, 117, 213, 219, 261, 377, 639, 657, 923, 949, 1131, 2059, 2117, 2769, 2847, 3393, 5183, 6177, 6351, 8307, 8541, 15549, 18531, 19053, 26767, 27521, 46647, 67379, 80301, 82563, 150307, 202137, 240903, 247689, 450921, 606411, 1352763, 1953991, 5861973, 17585919]

約数ペア:

[(1, 17585919), (3, 5861973), (9, 1953991), (13, 1352763), (29, 606411), (39, 450921), (71, 247689), (73, 240903), (87, 202137), (117, 150307), (213, 82563), (219, 80301), (261, 67379), (377, 46647), (639, 27521), (657, 26767), (923, 19053), (949, 18531), (1131, 15549), (2059, 8541), (2117, 8307), (2769, 6351), (2847, 6177), (3393, 5183)]