275556723

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{239}}^1$

素因数の和:356

約数の個数: 64

約数和(自身を含む): 441262080

約数和(自身を除く): 165705357

約数列:

[1, 3, 13, 17, 37, 39, 47, 51, 111, 141, 221, 239, 481, 611, 629, 663, 717, 799, 1443, 1739, 1833, 1887, 2397, 3107, 4063, 5217, 8177, 8843, 9321, 10387, 11233, 12189, 22607, 24531, 26529, 29563, 31161, 33699, 52819, 67821, 88689, 114959, 146029, 150331, 158457, 190961, 344877, 384319, 415621, 438087, 450993, 572883, 1152957, 1246863, 1954303, 2482493, 5403073, 5862909, 7065557, 7447479, 16209219, 21196671, 91852241, 275556723]

約数ペア:

[(1, 275556723), (3, 91852241), (13, 21196671), (17, 16209219), (37, 7447479), (39, 7065557), (47, 5862909), (51, 5403073), (111, 2482493), (141, 1954303), (221, 1246863), (239, 1152957), (481, 572883), (611, 450993), (629, 438087), (663, 415621), (717, 384319), (799, 344877), (1443, 190961), (1739, 158457), (1833, 150331), (1887, 146029), (2397, 114959), (3107, 88689), (4063, 67821), (5217, 52819), (8177, 33699), (8843, 31161), (9321, 29563), (10387, 26529), (11233, 24531), (12189, 22607)]