28258923

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1723}}^1$

素因数の和:1815

約数の個数: 32

約数和(自身を含む): 47665152

約数和(自身を除く): 19406229

約数列:

[1, 3, 7, 11, 21, 33, 71, 77, 213, 231, 497, 781, 1491, 1723, 2343, 5169, 5467, 12061, 16401, 18953, 36183, 56859, 122333, 132671, 366999, 398013, 856331, 1345663, 2568993, 4036989, 9419641, 28258923]

約数ペア:

[(1, 28258923), (3, 9419641), (7, 4036989), (11, 2568993), (21, 1345663), (33, 856331), (71, 398013), (77, 366999), (213, 132671), (231, 122333), (497, 56859), (781, 36183), (1491, 18953), (1723, 16401), (2343, 12061), (5169, 5467)]