78826545

素因数分解:

$3^2\times 5^1\times 7^3\times {\mathrm{5107}}^1$

素因数の和:5139

約数の個数: 48

約数和(自身を含む): 159369600

約数和(自身を除く): 80543055

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 343, 441, 735, 1029, 1715, 2205, 3087, 5107, 5145, 15321, 15435, 25535, 35749, 45963, 76605, 107247, 178745, 229815, 250243, 321741, 536235, 750729, 1251215, 1608705, 1751701, 2252187, 3753645, 5255103, 8758505, 11260935, 15765309, 26275515, 78826545]

約数ペア:

[(1, 78826545), (3, 26275515), (5, 15765309), (7, 11260935), (9, 8758505), (15, 5255103), (21, 3753645), (35, 2252187), (45, 1751701), (49, 1608705), (63, 1251215), (105, 750729), (147, 536235), (245, 321741), (315, 250243), (343, 229815), (441, 178745), (735, 107247), (1029, 76605), (1715, 45963), (2205, 35749), (3087, 25535), (5107, 15435), (5145, 15321)]