25451013

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{281}}^1$

素因数の和:537

約数の個数: 32

約数和(自身を含む): 41149440

約数和(自身を除く): 15698427

約数列:

[1, 3, 7, 19, 21, 57, 133, 227, 281, 399, 681, 843, 1589, 1967, 4313, 4767, 5339, 5901, 12939, 16017, 30191, 37373, 63787, 90573, 112119, 191361, 446509, 1211953, 1339527, 3635859, 8483671, 25451013]

約数ペア:

[(1, 25451013), (3, 8483671), (7, 3635859), (19, 1339527), (21, 1211953), (57, 446509), (133, 191361), (227, 112119), (281, 90573), (399, 63787), (681, 37373), (843, 30191), (1589, 16017), (1967, 12939), (4313, 5901), (4767, 5339)]