201990537

素因数分解:

$3^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{22739}}^1$

素因数の和:22802

約数の個数: 32

約数和(自身を含む): 349286400

約数和(自身を除く): 147295863

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 141, 189, 329, 423, 987, 1269, 2961, 8883, 22739, 68217, 159173, 204651, 477519, 613953, 1068733, 1432557, 3206199, 4297671, 7481131, 9618597, 22443393, 28855791, 67330179, 201990537]

約数ペア:

[(1, 201990537), (3, 67330179), (7, 28855791), (9, 22443393), (21, 9618597), (27, 7481131), (47, 4297671), (63, 3206199), (141, 1432557), (189, 1068733), (329, 613953), (423, 477519), (987, 204651), (1269, 159173), (2961, 68217), (8883, 22739)]