13279203

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:204

約数の個数: 48

約数和(自身を含む): 23115456

約数和(自身を除く): 9836253

約数列:

[1, 3, 7, 9, 21, 41, 53, 63, 97, 123, 159, 287, 291, 369, 371, 477, 679, 861, 873, 1113, 2037, 2173, 2583, 3339, 3977, 5141, 6111, 6519, 11931, 15211, 15423, 19557, 27839, 35793, 35987, 45633, 46269, 83517, 107961, 136899, 210781, 250551, 323883, 632343, 1475467, 1897029, 4426401, 13279203]

約数ペア:

[(1, 13279203), (3, 4426401), (7, 1897029), (9, 1475467), (21, 632343), (41, 323883), (53, 250551), (63, 210781), (97, 136899), (123, 107961), (159, 83517), (287, 46269), (291, 45633), (369, 35987), (371, 35793), (477, 27839), (679, 19557), (861, 15423), (873, 15211), (1113, 11931), (2037, 6519), (2173, 6111), (2583, 5141), (3339, 3977)]