201127521

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{2389}}^1$

素因数の和:2629

約数の個数: 32

約数和(自身を含む): 324275200

約数和(自身を除く): 123147679

約数列:

[1, 3, 7, 19, 21, 57, 133, 211, 399, 633, 1477, 2389, 4009, 4431, 7167, 12027, 16723, 28063, 45391, 50169, 84189, 136173, 317737, 504079, 953211, 1512237, 3528553, 9577501, 10585659, 28732503, 67042507, 201127521]

約数ペア:

[(1, 201127521), (3, 67042507), (7, 28732503), (19, 10585659), (21, 9577501), (57, 3528553), (133, 1512237), (211, 953211), (399, 504079), (633, 317737), (1477, 136173), (2389, 84189), (4009, 50169), (4431, 45391), (7167, 28063), (12027, 16723)]