1287399

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1$

素因数の和:270

約数の個数: 16

約数和(自身を含む): 1802240

約数和(自身を除く): 514841

約数列:

[1, 3, 31, 93, 109, 127, 327, 381, 3379, 3937, 10137, 11811, 13843, 41529, 429133, 1287399]

約数ペア:

[(1, 1287399), (3, 429133), (31, 41529), (93, 13843), (109, 11811), (127, 10137), (327, 3937), (381, 3379)]