1897156905

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{4447}}^1$

素因数の和:4718

約数の個数: 64

約数和(自身を含む): 3689349120

約数和(自身を除く): 1792192215

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 119, 239, 255, 357, 595, 717, 1195, 1673, 1785, 3585, 4063, 4447, 5019, 8365, 12189, 13341, 20315, 22235, 25095, 28441, 31129, 60945, 66705, 75599, 85323, 93387, 142205, 155645, 226797, 377995, 426615, 466935, 529193, 1062833, 1133985, 1587579, 2645965, 3188499, 5314165, 7439831, 7937895, 15942495, 18068161, 22319493, 37199155, 54204483, 90340805, 111597465, 126477127, 271022415, 379431381, 632385635, 1897156905]

約数ペア:

[(1, 1897156905), (3, 632385635), (5, 379431381), (7, 271022415), (15, 126477127), (17, 111597465), (21, 90340805), (35, 54204483), (51, 37199155), (85, 22319493), (105, 18068161), (119, 15942495), (239, 7937895), (255, 7439831), (357, 5314165), (595, 3188499), (717, 2645965), (1195, 1587579), (1673, 1133985), (1785, 1062833), (3585, 529193), (4063, 466935), (4447, 426615), (5019, 377995), (8365, 226797), (12189, 155645), (13341, 142205), (20315, 93387), (22235, 85323), (25095, 75599), (28441, 66705), (31129, 60945)]