8261253

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1$

素因数の和:175

約数の個数: 72

約数和(自身を含む): 16432416

約数和(自身を除く): 8171163

約数列:

[1, 3, 7, 9, 11, 13, 21, 33, 39, 49, 63, 77, 91, 99, 117, 131, 143, 147, 231, 273, 393, 429, 441, 539, 637, 693, 819, 917, 1001, 1179, 1287, 1441, 1617, 1703, 1911, 2751, 3003, 4323, 4851, 5109, 5733, 6419, 7007, 8253, 9009, 10087, 11921, 12969, 15327, 18733, 19257, 21021, 30261, 35763, 56199, 57771, 63063, 70609, 83447, 90783, 107289, 131131, 168597, 211827, 250341, 393393, 635481, 751023, 917917, 1180179, 2753751, 8261253]

約数ペア:

[(1, 8261253), (3, 2753751), (7, 1180179), (9, 917917), (11, 751023), (13, 635481), (21, 393393), (33, 250341), (39, 211827), (49, 168597), (63, 131131), (77, 107289), (91, 90783), (99, 83447), (117, 70609), (131, 63063), (143, 57771), (147, 56199), (231, 35763), (273, 30261), (393, 21021), (429, 19257), (441, 18733), (539, 15327), (637, 12969), (693, 11921), (819, 10087), (917, 9009), (1001, 8253), (1179, 7007), (1287, 6419), (1441, 5733), (1617, 5109), (1703, 4851), (1911, 4323), (2751, 3003)]