27991005

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{38083}}^1$

素因数の和:38105

約数の個数: 24

約数和(自身を含む): 52098912

約数和(自身を除く): 24107907

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 38083, 114249, 190415, 266581, 571245, 799743, 1332905, 1866067, 3998715, 5598201, 9330335, 27991005]

約数ペア:

[(1, 27991005), (3, 9330335), (5, 5598201), (7, 3998715), (15, 1866067), (21, 1332905), (35, 799743), (49, 571245), (105, 266581), (147, 190415), (245, 114249), (735, 38083)]