28664901

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{787}}^1$

素因数の和:886

約数の個数: 32

約数和(自身を含む): 45388800

約数和(自身を除く): 16723899

約数列:

[1, 3, 9, 19, 27, 57, 71, 171, 213, 513, 639, 787, 1349, 1917, 2361, 4047, 7083, 12141, 14953, 21249, 36423, 44859, 55877, 134577, 167631, 403731, 502893, 1061663, 1508679, 3184989, 9554967, 28664901]

約数ペア:

[(1, 28664901), (3, 9554967), (9, 3184989), (19, 1508679), (27, 1061663), (57, 502893), (71, 403731), (171, 167631), (213, 134577), (513, 55877), (639, 44859), (787, 36423), (1349, 21249), (1917, 14953), (2361, 12141), (4047, 7083)]