189872193

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{2243}}^1$

素因数の和:2421

約数の個数: 32

約数和(自身を含む): 301593600

約数和(自身を除く): 111721407

約数列:

[1, 3, 7, 21, 29, 87, 139, 203, 417, 609, 973, 2243, 2919, 4031, 6729, 12093, 15701, 28217, 47103, 65047, 84651, 195141, 311777, 455329, 935331, 1365987, 2182439, 6547317, 9041533, 27124599, 63290731, 189872193]

約数ペア:

[(1, 189872193), (3, 63290731), (7, 27124599), (21, 9041533), (29, 6547317), (87, 2182439), (139, 1365987), (203, 935331), (417, 455329), (609, 311777), (973, 195141), (2243, 84651), (2919, 65047), (4031, 47103), (6729, 28217), (12093, 15701)]