15153887

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{397}}^1$

素因数の和:471

約数の個数: 24

約数和(自身を含む): 19056240

約数和(自身を除く): 3902353

約数列:

[1, 7, 19, 41, 49, 133, 287, 397, 779, 931, 2009, 2779, 5453, 7543, 16277, 19453, 38171, 52801, 113939, 309263, 369607, 797573, 2164841, 15153887]

約数ペア:

[(1, 15153887), (7, 2164841), (19, 797573), (41, 369607), (49, 309263), (133, 113939), (287, 52801), (397, 38171), (779, 19453), (931, 16277), (2009, 7543), (2779, 5453)]