1288367031

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1005751}}^1$

素因数の和:1005822

約数の個数: 16

約数和(自身を含む): 1995411968

約数和(自身を除く): 707044937

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 1005751, 3017253, 7040257, 21120771, 61350811, 184052433, 429455677, 1288367031]

約数ペア:

[(1, 1288367031), (3, 429455677), (7, 184052433), (21, 61350811), (61, 21120771), (183, 7040257), (427, 3017253), (1281, 1005751)]