2015277975

素因数分解:

$3^5\times 5^2\times {\mathrm{199}}^1\times {\mathrm{1667}}^1$

素因数の和:1891

約数の個数: 72

約数和(自身を含む): 3764342400

約数和(自身を除く): 1749064425

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 199, 225, 243, 405, 597, 675, 995, 1215, 1667, 1791, 2025, 2985, 4975, 5001, 5373, 6075, 8335, 8955, 14925, 15003, 16119, 25005, 26865, 41675, 44775, 45009, 48357, 75015, 80595, 125025, 134325, 135027, 225045, 241785, 331733, 375075, 402975, 405081, 675135, 995199, 1125225, 1208925, 1658665, 2025405, 2985597, 3375675, 4975995, 8293325, 8956791, 10127025, 14927985, 24879975, 26870373, 44783955, 74639925, 80611119, 134351865, 223919775, 403055595, 671759325, 2015277975]

約数ペア:

[(1, 2015277975), (3, 671759325), (5, 403055595), (9, 223919775), (15, 134351865), (25, 80611119), (27, 74639925), (45, 44783955), (75, 26870373), (81, 24879975), (135, 14927985), (199, 10127025), (225, 8956791), (243, 8293325), (405, 4975995), (597, 3375675), (675, 2985597), (995, 2025405), (1215, 1658665), (1667, 1208925), (1791, 1125225), (2025, 995199), (2985, 675135), (4975, 405081), (5001, 402975), (5373, 375075), (6075, 331733), (8335, 241785), (8955, 225045), (14925, 135027), (15003, 134325), (16119, 125025), (25005, 80595), (26865, 75015), (41675, 48357), (44775, 45009)]