128536881

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{389}}^1$

素因数の和:470

約数の個数: 64

約数和(自身を含む): 215654400

約数和(自身を除く): 87117519

約数列:

[1, 3, 11, 17, 19, 31, 33, 51, 57, 93, 187, 209, 323, 341, 389, 527, 561, 589, 627, 969, 1023, 1167, 1581, 1767, 3553, 4279, 5797, 6479, 6613, 7391, 10013, 10659, 12059, 12837, 17391, 19437, 19839, 22173, 30039, 36177, 72743, 81301, 110143, 125647, 132649, 205003, 218229, 229121, 243903, 330429, 376941, 397947, 615009, 687363, 1382117, 2255033, 2520331, 3895057, 4146351, 6765099, 7560993, 11685171, 42845627, 128536881]

約数ペア:

[(1, 128536881), (3, 42845627), (11, 11685171), (17, 7560993), (19, 6765099), (31, 4146351), (33, 3895057), (51, 2520331), (57, 2255033), (93, 1382117), (187, 687363), (209, 615009), (323, 397947), (341, 376941), (389, 330429), (527, 243903), (561, 229121), (589, 218229), (627, 205003), (969, 132649), (1023, 125647), (1167, 110143), (1581, 81301), (1767, 72743), (3553, 36177), (4279, 30039), (5797, 22173), (6479, 19839), (6613, 19437), (7391, 17391), (10013, 12837), (10659, 12059)]