220145991

素因数分解:

$3^1\times {\mathrm{13}}^3\times {\mathrm{127}}^1\times {\mathrm{263}}^1$

素因数の和:432

約数の個数: 32

約数和(自身を含む): 321699840

約数和(自身を除く): 101553849

約数列:

[1, 3, 13, 39, 127, 169, 263, 381, 507, 789, 1651, 2197, 3419, 4953, 6591, 10257, 21463, 33401, 44447, 64389, 100203, 133341, 279019, 434213, 577811, 837057, 1302639, 1733433, 5644769, 16934307, 73381997, 220145991]

約数ペア:

[(1, 220145991), (3, 73381997), (13, 16934307), (39, 5644769), (127, 1733433), (169, 1302639), (263, 837057), (381, 577811), (507, 434213), (789, 279019), (1651, 133341), (2197, 100203), (3419, 64389), (4953, 44447), (6591, 33401), (10257, 21463)]