278375553

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{15919}}^1$

素因数の和:16021

約数の個数: 24

約数和(自身を含む): 422198400

約数和(自身を除く): 143822847

約数列:

[1, 3, 9, 29, 67, 87, 201, 261, 603, 1943, 5829, 15919, 17487, 47757, 143271, 461651, 1066573, 1384953, 3199719, 4154859, 9599157, 30930617, 92791851, 278375553]

約数ペア:

[(1, 278375553), (3, 92791851), (9, 30930617), (29, 9599157), (67, 4154859), (87, 3199719), (201, 1384953), (261, 1066573), (603, 461651), (1943, 143271), (5829, 47757), (15919, 17487)]