2153605

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{307}}^1$

素因数の和:396

約数の個数: 16

約数和(自身を含む): 2749824

約数和(自身を除く): 596219

約数列:

[1, 5, 23, 61, 115, 305, 307, 1403, 1535, 7015, 7061, 18727, 35305, 93635, 430721, 2153605]

約数ペア:

[(1, 2153605), (5, 430721), (23, 93635), (61, 35305), (115, 18727), (305, 7061), (307, 7015), (1403, 1535)]