64728741

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{311}}^1$

素因数の和:402

約数の個数: 64

約数和(自身を含む): 116453376

約数和(自身を除く): 51724635

約数列:

[1, 3, 7, 11, 17, 21, 33, 51, 53, 77, 119, 159, 187, 231, 311, 357, 371, 561, 583, 901, 933, 1113, 1309, 1749, 2177, 2703, 3421, 3927, 4081, 5287, 6307, 6531, 9911, 10263, 12243, 15861, 16483, 18921, 23947, 29733, 37009, 49449, 58157, 69377, 71841, 111027, 115381, 174471, 181313, 208131, 280211, 346143, 407099, 543939, 840633, 1221297, 1269191, 1961477, 3082321, 3807573, 5884431, 9246963, 21576247, 64728741]

約数ペア:

[(1, 64728741), (3, 21576247), (7, 9246963), (11, 5884431), (17, 3807573), (21, 3082321), (33, 1961477), (51, 1269191), (53, 1221297), (77, 840633), (119, 543939), (159, 407099), (187, 346143), (231, 280211), (311, 208131), (357, 181313), (371, 174471), (561, 115381), (583, 111027), (901, 71841), (933, 69377), (1113, 58157), (1309, 49449), (1749, 37009), (2177, 29733), (2703, 23947), (3421, 18921), (3927, 16483), (4081, 15861), (5287, 12243), (6307, 10263), (6531, 9911)]