28898079

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1327}}^1$

素因数の和:1415

約数の個数: 32

約数和(自身を含む): 47425536

約数和(自身を除く): 18527457

約数列:

[1, 3, 7, 17, 21, 51, 61, 119, 183, 357, 427, 1037, 1281, 1327, 3111, 3981, 7259, 9289, 21777, 22559, 27867, 67677, 80947, 157913, 242841, 473739, 566629, 1376099, 1699887, 4128297, 9632693, 28898079]

約数ペア:

[(1, 28898079), (3, 9632693), (7, 4128297), (17, 1699887), (21, 1376099), (51, 566629), (61, 473739), (119, 242841), (183, 157913), (357, 80947), (427, 67677), (1037, 27867), (1281, 22559), (1327, 21777), (3111, 9289), (3981, 7259)]