210009987

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{619}}^1$

素因数の和:808

約数の個数: 48

約数和(自身を含む): 348192000

約数和(自身を除く): 138182013

約数列:

[1, 3, 9, 11, 23, 33, 69, 99, 149, 207, 253, 447, 619, 759, 1341, 1639, 1857, 2277, 3427, 4917, 5571, 6809, 10281, 14237, 14751, 20427, 30843, 37697, 42711, 61281, 92231, 113091, 128133, 156607, 276693, 339273, 469821, 830079, 1014541, 1409463, 2121313, 3043623, 6363939, 9130869, 19091817, 23334443, 70003329, 210009987]

約数ペア:

[(1, 210009987), (3, 70003329), (9, 23334443), (11, 19091817), (23, 9130869), (33, 6363939), (69, 3043623), (99, 2121313), (149, 1409463), (207, 1014541), (253, 830079), (447, 469821), (619, 339273), (759, 276693), (1341, 156607), (1639, 128133), (1857, 113091), (2277, 92231), (3427, 61281), (4917, 42711), (5571, 37697), (6809, 30843), (10281, 20427), (14237, 14751)]