2147457

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:153

約数の個数: 32

約数和(自身を含む): 3386880

約数和(自身を除く): 1239423

約数列:

[1, 3, 13, 17, 39, 41, 51, 79, 123, 221, 237, 533, 663, 697, 1027, 1343, 1599, 2091, 3081, 3239, 4029, 9061, 9717, 17459, 27183, 42107, 52377, 55063, 126321, 165189, 715819, 2147457]

約数ペア:

[(1, 2147457), (3, 715819), (13, 165189), (17, 126321), (39, 55063), (41, 52377), (51, 42107), (79, 27183), (123, 17459), (221, 9717), (237, 9061), (533, 4029), (663, 3239), (697, 3081), (1027, 2091), (1343, 1599)]