1145920321

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{4273}}^1$

素因数の和:4721

約数の個数: 24

約数和(自身を含む): 1439295144

約数和(自身を除く): 293374823

約数列:

[1, 7, 13, 49, 91, 421, 637, 2947, 4273, 5473, 20629, 29911, 38311, 55549, 209377, 268177, 388843, 1798933, 2721901, 12592531, 23386129, 88147717, 163702903, 1145920321]

約数ペア:

[(1, 1145920321), (7, 163702903), (13, 88147717), (49, 23386129), (91, 12592531), (421, 2721901), (637, 1798933), (2947, 388843), (4273, 268177), (5473, 209377), (20629, 55549), (29911, 38311)]