201904521

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{509}}^1\times {\mathrm{1453}}^1$

素因数の和:1985

約数の個数: 32

約数和(自身を含む): 332209920

約数和(自身を除く): 130305399

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 509, 1453, 1527, 3563, 4359, 6617, 10171, 10689, 18889, 19851, 30513, 46319, 56667, 132223, 138957, 396669, 739577, 2218731, 5177039, 9614501, 15531117, 28843503, 67301507, 201904521]

約数ペア:

[(1, 201904521), (3, 67301507), (7, 28843503), (13, 15531117), (21, 9614501), (39, 5177039), (91, 2218731), (273, 739577), (509, 396669), (1453, 138957), (1527, 132223), (3563, 56667), (4359, 46319), (6617, 30513), (10171, 19851), (10689, 18889)]