30291261

素因数分解:

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

素因数の和:183

約数の個数: 72

約数和(自身を含む): 56038752

約数和(自身を除く): 25747491

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 49, 77, 91, 121, 131, 143, 147, 231, 273, 363, 393, 429, 539, 637, 847, 917, 1001, 1441, 1573, 1617, 1703, 1911, 2541, 2751, 3003, 4323, 4719, 5109, 5929, 6419, 7007, 10087, 11011, 11921, 15851, 17787, 18733, 19257, 21021, 30261, 33033, 35763, 47553, 56199, 70609, 77077, 83447, 110957, 131131, 206063, 211827, 231231, 250341, 332871, 393393, 618189, 776699, 917917, 1442441, 2330097, 2753751, 4327323, 10097087, 30291261]

約数ペア:

[(1, 30291261), (3, 10097087), (7, 4327323), (11, 2753751), (13, 2330097), (21, 1442441), (33, 917917), (39, 776699), (49, 618189), (77, 393393), (91, 332871), (121, 250341), (131, 231231), (143, 211827), (147, 206063), (231, 131131), (273, 110957), (363, 83447), (393, 77077), (429, 70609), (539, 56199), (637, 47553), (847, 35763), (917, 33033), (1001, 30261), (1441, 21021), (1573, 19257), (1617, 18733), (1703, 17787), (1911, 15851), (2541, 11921), (2751, 11011), (3003, 10087), (4323, 7007), (4719, 6419), (5109, 5929)]