201553209

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{619}}^1$

素因数の和:683

約数の個数: 72

約数和(自身を含む): 360185280

約数和(自身を除く): 158632071

約数列:

[1, 3, 9, 11, 13, 23, 33, 39, 69, 99, 117, 121, 143, 207, 253, 299, 363, 429, 619, 759, 897, 1089, 1287, 1573, 1857, 2277, 2691, 2783, 3289, 4719, 5571, 6809, 8047, 8349, 9867, 14157, 14237, 20427, 24141, 25047, 29601, 36179, 42711, 61281, 72423, 74899, 88517, 108537, 128133, 156607, 185081, 224697, 265551, 325611, 469821, 555243, 674091, 796653, 973687, 1409463, 1665729, 1722677, 2035891, 2921061, 5168031, 6107673, 8763183, 15504093, 18323019, 22394801, 67184403, 201553209]

約数ペア:

[(1, 201553209), (3, 67184403), (9, 22394801), (11, 18323019), (13, 15504093), (23, 8763183), (33, 6107673), (39, 5168031), (69, 2921061), (99, 2035891), (117, 1722677), (121, 1665729), (143, 1409463), (207, 973687), (253, 796653), (299, 674091), (363, 555243), (429, 469821), (619, 325611), (759, 265551), (897, 224697), (1089, 185081), (1287, 156607), (1573, 128133), (1857, 108537), (2277, 88517), (2691, 74899), (2783, 72423), (3289, 61281), (4719, 42711), (5571, 36179), (6809, 29601), (8047, 25047), (8349, 24141), (9867, 20427), (14157, 14237)]