18040077

素因数分解:

$3^5\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{397}}^1$

素因数の和:440

約数の個数: 48

約数和(自身を含む): 31292352

約数和(自身を除く): 13252275

約数列:

[1, 3, 9, 11, 17, 27, 33, 51, 81, 99, 153, 187, 243, 297, 397, 459, 561, 891, 1191, 1377, 1683, 2673, 3573, 4131, 4367, 5049, 6749, 10719, 13101, 15147, 20247, 32157, 39303, 45441, 60741, 74239, 96471, 117909, 182223, 222717, 353727, 546669, 668151, 1061181, 1640007, 2004453, 6013359, 18040077]

約数ペア:

[(1, 18040077), (3, 6013359), (9, 2004453), (11, 1640007), (17, 1061181), (27, 668151), (33, 546669), (51, 353727), (81, 222717), (99, 182223), (153, 117909), (187, 96471), (243, 74239), (297, 60741), (397, 45441), (459, 39303), (561, 32157), (891, 20247), (1191, 15147), (1377, 13101), (1683, 10719), (2673, 6749), (3573, 5049), (4131, 4367)]