27720897155

素因数分解:

$5^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{757}}^1\times {\mathrm{1091}}^1$

素因数の和:2004

約数の個数: 48

約数和(自身を含む): 39065828256

約数和(自身を除く): 11344931101

約数列:

[1, 5, 7, 35, 49, 137, 245, 685, 757, 959, 1091, 3785, 4795, 5299, 5455, 6713, 7637, 26495, 33565, 37093, 38185, 53459, 103709, 149467, 185465, 267295, 518545, 725963, 747335, 825887, 1046269, 3629815, 4129435, 5081741, 5231345, 5781209, 7323883, 25408705, 28906045, 36619415, 40468463, 113146519, 202342315, 565732595, 792025633, 3960128165, 5544179431, 27720897155]

約数ペア:

[(1, 27720897155), (5, 5544179431), (7, 3960128165), (35, 792025633), (49, 565732595), (137, 202342315), (245, 113146519), (685, 40468463), (757, 36619415), (959, 28906045), (1091, 25408705), (3785, 7323883), (4795, 5781209), (5299, 5231345), (5455, 5081741), (6713, 4129435), (7637, 3629815), (26495, 1046269), (33565, 825887), (37093, 747335), (38185, 725963), (53459, 518545), (103709, 267295), (149467, 185465)]