64725921

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:294

約数の個数: 48

約数和(自身を含む): 104936832

約数和(自身を除く): 40210911

約数列:

[1, 3, 9, 13, 39, 41, 103, 117, 123, 131, 309, 369, 393, 533, 927, 1179, 1339, 1599, 1703, 4017, 4223, 4797, 5109, 5371, 12051, 12669, 13493, 15327, 16113, 38007, 40479, 48339, 54899, 69823, 121437, 164697, 175409, 209469, 494091, 526227, 553213, 628407, 1578681, 1659639, 4978917, 7191769, 21575307, 64725921]

約数ペア:

[(1, 64725921), (3, 21575307), (9, 7191769), (13, 4978917), (39, 1659639), (41, 1578681), (103, 628407), (117, 553213), (123, 526227), (131, 494091), (309, 209469), (369, 175409), (393, 164697), (533, 121437), (927, 69823), (1179, 54899), (1339, 48339), (1599, 40479), (1703, 38007), (4017, 16113), (4223, 15327), (4797, 13493), (5109, 12669), (5371, 12051)]