1561567155

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1327}}^1\times {\mathrm{4129}}^1$

素因数の和:5483

約数の個数: 32

約数和(自身を含む): 2632627200

約数和(自身を除く): 1071060045

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 1327, 3981, 4129, 6635, 12387, 19905, 20645, 25213, 61935, 75639, 78451, 126065, 235353, 378195, 392255, 1176765, 5479183, 16437549, 27395915, 82187745, 104104477, 312313431, 520522385, 1561567155]

約数ペア:

[(1, 1561567155), (3, 520522385), (5, 312313431), (15, 104104477), (19, 82187745), (57, 27395915), (95, 16437549), (285, 5479183), (1327, 1176765), (3981, 392255), (4129, 378195), (6635, 235353), (12387, 126065), (19905, 78451), (20645, 75639), (25213, 61935)]