28006893

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{7121}}^1$

素因数の和:7169

約数の個数: 24

約数和(自身を含む): 44441280

約数和(自身を除く): 16434387

約数列:

[1, 3, 9, 19, 23, 57, 69, 171, 207, 437, 1311, 3933, 7121, 21363, 64089, 135299, 163783, 405897, 491349, 1217691, 1474047, 3111877, 9335631, 28006893]

約数ペア:

[(1, 28006893), (3, 9335631), (9, 3111877), (19, 1474047), (23, 1217691), (57, 491349), (69, 405897), (171, 163783), (207, 135299), (437, 64089), (1311, 21363), (3933, 7121)]