25088721

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{277}}^1$

素因数の和:533

約数の個数: 32

約数和(自身を含む): 40565760

約数和(自身を除く): 15477039

約数列:

[1, 3, 7, 19, 21, 57, 133, 227, 277, 399, 681, 831, 1589, 1939, 4313, 4767, 5263, 5817, 12939, 15789, 30191, 36841, 62879, 90573, 110523, 188637, 440153, 1194701, 1320459, 3584103, 8362907, 25088721]

約数ペア:

[(1, 25088721), (3, 8362907), (7, 3584103), (19, 1320459), (21, 1194701), (57, 440153), (133, 188637), (227, 110523), (277, 90573), (399, 62879), (681, 36841), (831, 30191), (1589, 15789), (1939, 12939), (4313, 5817), (4767, 5263)]