407263131

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:257

約数の個数: 72

約数和(自身を含む): 675554880

約数和(自身を除く): 268291749

約数列:

[1, 3, 9, 11, 33, 47, 73, 99, 109, 121, 141, 219, 327, 363, 423, 517, 657, 803, 981, 1089, 1199, 1551, 2409, 3431, 3597, 4653, 5123, 5687, 7227, 7957, 8833, 10293, 10791, 13189, 15369, 17061, 23871, 26499, 30879, 37741, 39567, 46107, 51183, 56353, 71613, 79497, 87527, 113223, 118701, 169059, 262581, 339669, 373979, 415151, 507177, 619883, 787743, 962797, 1121937, 1245453, 1859649, 2888391, 3365811, 3736359, 4113769, 5578947, 8665173, 12341307, 37023921, 45251459, 135754377, 407263131]

約数ペア:

[(1, 407263131), (3, 135754377), (9, 45251459), (11, 37023921), (33, 12341307), (47, 8665173), (73, 5578947), (99, 4113769), (109, 3736359), (121, 3365811), (141, 2888391), (219, 1859649), (327, 1245453), (363, 1121937), (423, 962797), (517, 787743), (657, 619883), (803, 507177), (981, 415151), (1089, 373979), (1199, 339669), (1551, 262581), (2409, 169059), (3431, 118701), (3597, 113223), (4653, 87527), (5123, 79497), (5687, 71613), (7227, 56353), (7957, 51183), (8833, 46107), (10293, 39567), (10791, 37741), (13189, 30879), (15369, 26499), (17061, 23871)]