68738769

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:171

約数の個数: 72

約数和(自身を含む): 119508480

約数和(自身を除く): 50769711

約数列:

[1, 3, 9, 11, 17, 33, 47, 51, 79, 99, 121, 141, 153, 187, 237, 363, 423, 517, 561, 711, 799, 869, 1089, 1343, 1551, 1683, 2057, 2397, 2607, 3713, 4029, 4653, 5687, 6171, 7191, 7821, 8789, 9559, 11139, 12087, 14773, 17061, 18513, 26367, 28677, 33417, 40843, 44319, 51183, 63121, 79101, 86031, 96679, 122529, 132957, 162503, 189363, 290037, 367587, 449273, 487509, 568089, 694331, 870111, 1347819, 1462527, 2082993, 4043457, 6248979, 7637641, 22912923, 68738769]

約数ペア:

[(1, 68738769), (3, 22912923), (9, 7637641), (11, 6248979), (17, 4043457), (33, 2082993), (47, 1462527), (51, 1347819), (79, 870111), (99, 694331), (121, 568089), (141, 487509), (153, 449273), (187, 367587), (237, 290037), (363, 189363), (423, 162503), (517, 132957), (561, 122529), (711, 96679), (799, 86031), (869, 79101), (1089, 63121), (1343, 51183), (1551, 44319), (1683, 40843), (2057, 33417), (2397, 28677), (2607, 26367), (3713, 18513), (4029, 17061), (4653, 14773), (5687, 12087), (6171, 11139), (7191, 9559), (7821, 8789)]