921564217

素因数分解:

$7^2\times {\mathrm{37}}^1\times {\mathrm{661}}^1\times {\mathrm{769}}^1$

素因数の和:1481

約数の個数: 24

約数和(自身を含む): 1104096840

約数和(自身を除く): 182532623

約数列:

[1, 7, 37, 49, 259, 661, 769, 1813, 4627, 5383, 24457, 28453, 32389, 37681, 171199, 199171, 508309, 1198393, 1394197, 3558163, 18807433, 24907141, 131652031, 921564217]

約数ペア:

[(1, 921564217), (7, 131652031), (37, 24907141), (49, 18807433), (259, 3558163), (661, 1394197), (769, 1198393), (1813, 508309), (4627, 199171), (5383, 171199), (24457, 37681), (28453, 32389)]