308642157

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1$

素因数の和:248

約数の個数: 80

約数和(自身を含む): 517492800

約数和(自身を除く): 208850643

約数列:

[1, 3, 9, 17, 27, 29, 51, 59, 81, 87, 131, 153, 177, 261, 393, 459, 493, 531, 783, 1003, 1179, 1377, 1479, 1593, 1711, 2227, 2349, 3009, 3537, 3799, 4437, 4779, 5133, 6681, 7729, 9027, 10611, 11397, 13311, 15399, 20043, 23187, 27081, 29087, 34191, 39933, 46197, 60129, 64583, 69561, 81243, 87261, 102573, 131393, 138591, 180387, 193749, 208683, 224141, 261783, 307719, 394179, 581247, 626049, 672423, 785349, 1182537, 1743741, 2017269, 2356047, 3547611, 3810397, 5231223, 6051807, 10642833, 11431191, 18155421, 34293573, 102880719, 308642157]

約数ペア:

[(1, 308642157), (3, 102880719), (9, 34293573), (17, 18155421), (27, 11431191), (29, 10642833), (51, 6051807), (59, 5231223), (81, 3810397), (87, 3547611), (131, 2356047), (153, 2017269), (177, 1743741), (261, 1182537), (393, 785349), (459, 672423), (493, 626049), (531, 581247), (783, 394179), (1003, 307719), (1179, 261783), (1377, 224141), (1479, 208683), (1593, 193749), (1711, 180387), (2227, 138591), (2349, 131393), (3009, 102573), (3537, 87261), (3799, 81243), (4437, 69561), (4779, 64583), (5133, 60129), (6681, 46197), (7729, 39933), (9027, 34191), (10611, 29087), (11397, 27081), (13311, 23187), (15399, 20043)]