64723989

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:202

約数の個数: 48

約数和(自身を含む): 100271360

約数和(自身を除く): 35547371

約数列:

[1, 3, 11, 33, 37, 61, 79, 111, 121, 183, 237, 363, 407, 671, 869, 1221, 2013, 2257, 2607, 2923, 4477, 4819, 6771, 7381, 8769, 9559, 13431, 14457, 22143, 24827, 28677, 32153, 53009, 74481, 96459, 159027, 178303, 273097, 353683, 534909, 583099, 819291, 1061049, 1749297, 1961333, 5883999, 21574663, 64723989]

約数ペア:

[(1, 64723989), (3, 21574663), (11, 5883999), (33, 1961333), (37, 1749297), (61, 1061049), (79, 819291), (111, 583099), (121, 534909), (183, 353683), (237, 273097), (363, 178303), (407, 159027), (671, 96459), (869, 74481), (1221, 53009), (2013, 32153), (2257, 28677), (2607, 24827), (2923, 22143), (4477, 14457), (4819, 13431), (6771, 9559), (7381, 8769)]