17898003

素因数分解:

$3^4\times {\mathrm{79}}^1\times {\mathrm{2797}}^1$

素因数の和:2888

約数の個数: 20

約数和(自身を含む): 27084640

約数和(自身を除く): 9186637

約数列:

[1, 3, 9, 27, 79, 81, 237, 711, 2133, 2797, 6399, 8391, 25173, 75519, 220963, 226557, 662889, 1988667, 5966001, 17898003]

約数ペア:

[(1, 17898003), (3, 5966001), (9, 1988667), (27, 662889), (79, 226557), (81, 220963), (237, 75519), (711, 25173), (2133, 8391), (2797, 6399)]