1223187

素因数分解:

$3^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{157}}^1$

素因数の和:227

約数の個数: 24

約数和(自身を含む): 1945296

約数和(自身を除く): 722109

約数列:

[1, 3, 7, 21, 49, 53, 147, 157, 159, 371, 471, 1099, 1113, 2597, 3297, 7693, 7791, 8321, 23079, 24963, 58247, 174741, 407729, 1223187]

約数ペア:

[(1, 1223187), (3, 407729), (7, 174741), (21, 58247), (49, 24963), (53, 23079), (147, 8321), (157, 7791), (159, 7693), (371, 3297), (471, 2597), (1099, 1113)]