27872915

素因数分解:

$5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{3923}}^1$

素因数の和:3971

約数の個数: 24

約数和(自身を含む): 40260240

約数和(自身を除く): 12387325

約数列:

[1, 5, 7, 29, 35, 49, 145, 203, 245, 1015, 1421, 3923, 7105, 19615, 27461, 113767, 137305, 192227, 568835, 796369, 961135, 3981845, 5574583, 27872915]

約数ペア:

[(1, 27872915), (5, 5574583), (7, 3981845), (29, 961135), (35, 796369), (49, 568835), (145, 192227), (203, 137305), (245, 113767), (1015, 27461), (1421, 19615), (3923, 7105)]