19800615

素因数分解:

$3^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{4871}}^1$

素因数の和:5150

約数の個数: 16

約数和(自身を含む): 31804416

約数和(自身を除く): 12003801

約数列:

[1, 3, 5, 15, 271, 813, 1355, 4065, 4871, 14613, 24355, 73065, 1320041, 3960123, 6600205, 19800615]

約数ペア:

[(1, 19800615), (3, 6600205), (5, 3960123), (15, 1320041), (271, 73065), (813, 24355), (1355, 14613), (4065, 4871)]