211091125

素因数分解:

$5^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{617}}^1$

素因数の和:679

約数の個数: 64

約数和(自身を含む): 333186048

約数和(自身を除く): 122094923

約数列:

[1, 5, 7, 17, 23, 25, 35, 85, 115, 119, 125, 161, 175, 391, 425, 575, 595, 617, 805, 875, 1955, 2125, 2737, 2875, 2975, 3085, 4025, 4319, 9775, 10489, 13685, 14191, 14875, 15425, 20125, 21595, 48875, 52445, 68425, 70955, 73423, 77125, 99337, 107975, 241247, 262225, 342125, 354775, 367115, 496685, 539875, 1206235, 1311125, 1688729, 1773875, 1835575, 2483425, 6031175, 8443645, 9177875, 12417125, 30155875, 42218225, 211091125]

約数ペア:

[(1, 211091125), (5, 42218225), (7, 30155875), (17, 12417125), (23, 9177875), (25, 8443645), (35, 6031175), (85, 2483425), (115, 1835575), (119, 1773875), (125, 1688729), (161, 1311125), (175, 1206235), (391, 539875), (425, 496685), (575, 367115), (595, 354775), (617, 342125), (805, 262225), (875, 241247), (1955, 107975), (2125, 99337), (2737, 77125), (2875, 73423), (2975, 70955), (3085, 68425), (4025, 52445), (4319, 48875), (9775, 21595), (10489, 20125), (13685, 15425), (14191, 14875)]