66774897

素因数分解:

$3^2\times 7^3\times {\mathrm{97}}^1\times {\mathrm{223}}^1$

素因数の和:347

約数の個数: 48

約数和(自身を含む): 114150400

約数和(自身を除く): 47375503

約数列:

[1, 3, 7, 9, 21, 49, 63, 97, 147, 223, 291, 343, 441, 669, 679, 873, 1029, 1561, 2007, 2037, 3087, 4683, 4753, 6111, 10927, 14049, 14259, 21631, 32781, 33271, 42777, 64893, 76489, 98343, 99813, 151417, 194679, 229467, 299439, 454251, 688401, 1059919, 1362753, 3179757, 7419433, 9539271, 22258299, 66774897]

約数ペア:

[(1, 66774897), (3, 22258299), (7, 9539271), (9, 7419433), (21, 3179757), (49, 1362753), (63, 1059919), (97, 688401), (147, 454251), (223, 299439), (291, 229467), (343, 194679), (441, 151417), (669, 99813), (679, 98343), (873, 76489), (1029, 64893), (1561, 42777), (2007, 33271), (2037, 32781), (3087, 21631), (4683, 14259), (4753, 14049), (6111, 10927)]