207621351

素因数分解:

$3^2\times 7^1\times {\mathrm{313}}^1\times {\mathrm{10529}}^1$

素因数の和:10855

約数の個数: 24

約数和(自身を含む): 343867680

約数和(自身を除く): 136246329

約数列:

[1, 3, 7, 9, 21, 63, 313, 939, 2191, 2817, 6573, 10529, 19719, 31587, 73703, 94761, 221109, 663327, 3295577, 9886731, 23069039, 29660193, 69207117, 207621351]

約数ペア:

[(1, 207621351), (3, 69207117), (7, 29660193), (9, 23069039), (21, 9886731), (63, 3295577), (313, 663327), (939, 221109), (2191, 94761), (2817, 73703), (6573, 31587), (10529, 19719)]