16513371

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{4297}}^1$

素因数の和:4371

約数の個数: 24

約数和(自身を含む): 27713504

約数和(自身を除く): 11200133

約数列:

[1, 3, 7, 9, 21, 61, 63, 183, 427, 549, 1281, 3843, 4297, 12891, 30079, 38673, 90237, 262117, 270711, 786351, 1834819, 2359053, 5504457, 16513371]

約数ペア:

[(1, 16513371), (3, 5504457), (7, 2359053), (9, 1834819), (21, 786351), (61, 270711), (63, 262117), (183, 90237), (427, 38673), (549, 30079), (1281, 12891), (3843, 4297)]