27997475

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1669}}^1$

素因数の和:1751

約数の個数: 24

約数和(自身を含む): 38516880

約数和(自身を除く): 10519405

約数列:

[1, 5, 11, 25, 55, 61, 275, 305, 671, 1525, 1669, 3355, 8345, 16775, 18359, 41725, 91795, 101809, 458975, 509045, 1119899, 2545225, 5599495, 27997475]

約数ペア:

[(1, 27997475), (5, 5599495), (11, 2545225), (25, 1119899), (55, 509045), (61, 458975), (275, 101809), (305, 91795), (671, 41725), (1525, 18359), (1669, 16775), (3355, 8345)]