28757757

素因数分解:

$3^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{2357}}^1$

素因数の和:2457

約数の個数: 24

約数和(自身を含む): 45160416

約数和(自身を除く): 16402659

約数列:

[1, 3, 7, 21, 49, 83, 147, 249, 581, 1743, 2357, 4067, 7071, 12201, 16499, 49497, 115493, 195631, 346479, 586893, 1369417, 4108251, 9585919, 28757757]

約数ペア:

[(1, 28757757), (3, 9585919), (7, 4108251), (21, 1369417), (49, 586893), (83, 346479), (147, 195631), (249, 115493), (581, 49497), (1743, 16499), (2357, 12201), (4067, 7071)]