71672427

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1$

素因数の和:300

約数の個数: 48

約数和(自身を含む): 114660000

約数和(自身を除く): 42987573

約数列:

[1, 3, 9, 19, 29, 57, 87, 97, 149, 171, 261, 291, 447, 551, 873, 1341, 1653, 1843, 2813, 2831, 4321, 4959, 5529, 8439, 8493, 12963, 14453, 16587, 25317, 25479, 38889, 43359, 53447, 82099, 130077, 160341, 246297, 274607, 419137, 481023, 738891, 823821, 1257411, 2471463, 3772233, 7963603, 23890809, 71672427]

約数ペア:

[(1, 71672427), (3, 23890809), (9, 7963603), (19, 3772233), (29, 2471463), (57, 1257411), (87, 823821), (97, 738891), (149, 481023), (171, 419137), (261, 274607), (291, 246297), (447, 160341), (551, 130077), (873, 82099), (1341, 53447), (1653, 43359), (1843, 38889), (2813, 25479), (2831, 25317), (4321, 16587), (4959, 14453), (5529, 12963), (8439, 8493)]