515854845

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{389}}^1$

素因数の和:480

約数の個数: 128

約数和(自身を含む): 1078272000

約数和(自身を除く): 562417155

約数列:

[1, 3, 5, 9, 11, 15, 19, 27, 33, 45, 47, 55, 57, 95, 99, 135, 141, 165, 171, 209, 235, 285, 297, 389, 423, 495, 513, 517, 627, 705, 855, 893, 1045, 1167, 1269, 1485, 1551, 1881, 1945, 2115, 2565, 2585, 2679, 3135, 3501, 4279, 4465, 4653, 5643, 5835, 6345, 7391, 7755, 8037, 9405, 9823, 10503, 12837, 13395, 13959, 17505, 18283, 21395, 22173, 23265, 24111, 28215, 29469, 36955, 38511, 40185, 49115, 52515, 54849, 64185, 66519, 69795, 81301, 88407, 91415, 110865, 115533, 120555, 147345, 164547, 192555, 199557, 201113, 243903, 265221, 274245, 332595, 347377, 406505, 442035, 493641, 577665, 603339, 731709, 822735, 997785, 1005565, 1042131, 1219515, 1326105, 1736885, 1810017, 2195127, 2468205, 3016695, 3126393, 3658545, 3821147, 5210655, 5430051, 9050085, 9379179, 10975635, 11463441, 15631965, 19105735, 27150255, 34390323, 46895895, 57317205, 103170969, 171951615, 515854845]

約数ペア:

[(1, 515854845), (3, 171951615), (5, 103170969), (9, 57317205), (11, 46895895), (15, 34390323), (19, 27150255), (27, 19105735), (33, 15631965), (45, 11463441), (47, 10975635), (55, 9379179), (57, 9050085), (95, 5430051), (99, 5210655), (135, 3821147), (141, 3658545), (165, 3126393), (171, 3016695), (209, 2468205), (235, 2195127), (285, 1810017), (297, 1736885), (389, 1326105), (423, 1219515), (495, 1042131), (513, 1005565), (517, 997785), (627, 822735), (705, 731709), (855, 603339), (893, 577665), (1045, 493641), (1167, 442035), (1269, 406505), (1485, 347377), (1551, 332595), (1881, 274245), (1945, 265221), (2115, 243903), (2565, 201113), (2585, 199557), (2679, 192555), (3135, 164547), (3501, 147345), (4279, 120555), (4465, 115533), (4653, 110865), (5643, 91415), (5835, 88407), (6345, 81301), (7391, 69795), (7755, 66519), (8037, 64185), (9405, 54849), (9823, 52515), (10503, 49115), (12837, 40185), (13395, 38511), (13959, 36955), (17505, 29469), (18283, 28215), (21395, 24111), (22173, 23265)]