72872289

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37313}}^1$

素因数の和:37357

約数の個数: 24

約数和(自身を含む): 124180992

約数和(自身を除く): 51308703

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 37313, 111939, 261191, 335817, 783573, 1156703, 2350719, 3470109, 8096921, 10410327, 24290763, 72872289]

約数ペア:

[(1, 72872289), (3, 24290763), (7, 10410327), (9, 8096921), (21, 3470109), (31, 2350719), (63, 1156703), (93, 783573), (217, 335817), (279, 261191), (651, 111939), (1953, 37313)]