16290477

素因数分解:

$3^5\times 7^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 28525952

約数和(自身を除く): 12235475

約数列:

[1, 3, 7, 9, 21, 27, 61, 63, 81, 157, 183, 189, 243, 427, 471, 549, 567, 1099, 1281, 1413, 1647, 1701, 3297, 3843, 4239, 4941, 9577, 9891, 11529, 12717, 14823, 28731, 29673, 34587, 38151, 67039, 86193, 89019, 103761, 201117, 258579, 267057, 603351, 775737, 1810053, 2327211, 5430159, 16290477]

約数ペア:

[(1, 16290477), (3, 5430159), (7, 2327211), (9, 1810053), (21, 775737), (27, 603351), (61, 267057), (63, 258579), (81, 201117), (157, 103761), (183, 89019), (189, 86193), (243, 67039), (427, 38151), (471, 34587), (549, 29673), (567, 28731), (1099, 14823), (1281, 12717), (1413, 11529), (1647, 9891), (1701, 9577), (3297, 4941), (3843, 4239)]