28363713

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{1061}}^1$

素因数の和:1157

約数の個数: 32

約数和(自身を含む): 46218240

約数和(自身を除く): 17854527

約数列:

[1, 3, 7, 19, 21, 57, 67, 133, 201, 399, 469, 1061, 1273, 1407, 3183, 3819, 7427, 8911, 20159, 22281, 26733, 60477, 71087, 141113, 213261, 423339, 497609, 1350653, 1492827, 4051959, 9454571, 28363713]

約数ペア:

[(1, 28363713), (3, 9454571), (7, 4051959), (19, 1492827), (21, 1350653), (57, 497609), (67, 423339), (133, 213261), (201, 141113), (399, 71087), (469, 60477), (1061, 26733), (1273, 22281), (1407, 20159), (3183, 8911), (3819, 7427)]