16805217

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{911}}^1$

素因数の和:981

約数の個数: 32

約数和(自身を含む): 26966016

約数和(自身を除く): 10160799

約数列:

[1, 3, 11, 13, 33, 39, 43, 129, 143, 429, 473, 559, 911, 1419, 1677, 2733, 6149, 10021, 11843, 18447, 30063, 35529, 39173, 117519, 130273, 390819, 430903, 509249, 1292709, 1527747, 5601739, 16805217]

約数ペア:

[(1, 16805217), (3, 5601739), (11, 1527747), (13, 1292709), (33, 509249), (39, 430903), (43, 390819), (129, 130273), (143, 117519), (429, 39173), (473, 35529), (559, 30063), (911, 18447), (1419, 11843), (1677, 10021), (2733, 6149)]