255237633

素因数分解:

$3^2\times 7^1\times {\mathrm{251}}^1\times {\mathrm{16141}}^1$

素因数の和:16405

約数の個数: 24

約数和(自身を含む): 423049536

約数和(自身を除く): 167811903

約数列:

[1, 3, 7, 9, 21, 63, 251, 753, 1757, 2259, 5271, 15813, 16141, 48423, 112987, 145269, 338961, 1016883, 4051391, 12154173, 28359737, 36462519, 85079211, 255237633]

約数ペア:

[(1, 255237633), (3, 85079211), (7, 36462519), (9, 28359737), (21, 12154173), (63, 4051391), (251, 1016883), (753, 338961), (1757, 145269), (2259, 112987), (5271, 48423), (15813, 16141)]