138889485

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{48991}}^1$

素因数の和:49015

約数の個数: 40

約数和(自身を含む): 284545536

約数和(自身を除く): 145656051

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 315, 405, 567, 945, 2835, 48991, 146973, 244955, 342937, 440919, 734865, 1028811, 1322757, 1714685, 2204595, 3086433, 3968271, 5144055, 6613785, 9259299, 15432165, 19841355, 27777897, 46296495, 138889485]

約数ペア:

[(1, 138889485), (3, 46296495), (5, 27777897), (7, 19841355), (9, 15432165), (15, 9259299), (21, 6613785), (27, 5144055), (35, 3968271), (45, 3086433), (63, 2204595), (81, 1714685), (105, 1322757), (135, 1028811), (189, 734865), (315, 440919), (405, 342937), (567, 244955), (945, 146973), (2835, 48991)]