1945377

素因数分解:

$3^4\times 7^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:139

約数の個数: 40

約数和(自身を含む): 3438336

約数和(自身を除く): 1492959

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 73, 81, 141, 189, 219, 329, 423, 511, 567, 657, 987, 1269, 1533, 1971, 2961, 3431, 3807, 4599, 5913, 8883, 10293, 13797, 24017, 26649, 30879, 41391, 72051, 92637, 216153, 277911, 648459, 1945377]

約数ペア:

[(1, 1945377), (3, 648459), (7, 277911), (9, 216153), (21, 92637), (27, 72051), (47, 41391), (63, 30879), (73, 26649), (81, 24017), (141, 13797), (189, 10293), (219, 8883), (329, 5913), (423, 4599), (511, 3807), (567, 3431), (657, 2961), (987, 1971), (1269, 1533)]